{
    "domains": [
        {
            "commands": [
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "AXNode"
                            },
                            "type": "array",
                            "name": "nodes",
                            "description": "The `Accessibility.AXNode` for this DOM node, if it exists, plus its ancestors, siblings and\nchildren, if requested."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node to get the partial accessibility tree for."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node to get the partial accessibility tree for."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper to get the partial accessibility tree for."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "fetchRelatives",
                            "description": "Whether to fetch this nodes ancestors, siblings and children. Defaults to true."
                        }
                    ],
                    "name": "getPartialAXTree",
                    "experimental": true,
                    "description": "Fetches the accessibility node and partial accessibility tree for this DOM node, if it exists."
                }
            ],
            "domain": "Accessibility",
            "dependencies": [
                "DOM"
            ],
            "types": [
                {
                    "type": "string",
                    "id": "AXNodeId",
                    "description": "Unique accessibility node identifier."
                },
                {
                    "enum": [
                        "boolean",
                        "tristate",
                        "booleanOrUndefined",
                        "idref",
                        "idrefList",
                        "integer",
                        "node",
                        "nodeList",
                        "number",
                        "string",
                        "computedString",
                        "token",
                        "tokenList",
                        "domRelation",
                        "role",
                        "internalRole",
                        "valueUndefined"
                    ],
                    "type": "string",
                    "id": "AXValueType",
                    "description": "Enum of possible property types."
                },
                {
                    "enum": [
                        "attribute",
                        "implicit",
                        "style",
                        "contents",
                        "placeholder",
                        "relatedElement"
                    ],
                    "type": "string",
                    "id": "AXValueSourceType",
                    "description": "Enum of possible property sources."
                },
                {
                    "enum": [
                        "figcaption",
                        "label",
                        "labelfor",
                        "labelwrapped",
                        "legend",
                        "tablecaption",
                        "title",
                        "other"
                    ],
                    "type": "string",
                    "id": "AXValueNativeSourceType",
                    "description": "Enum of possible native property sources (as a subtype of a particular AXValueSourceType)."
                },
                {
                    "properties": [
                        {
                            "$ref": "AXValueSourceType",
                            "name": "type",
                            "description": "What type of source this is."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "value",
                            "description": "The value of this property source."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "attribute",
                            "description": "The name of the relevant attribute, if any."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "attributeValue",
                            "description": "The value of the relevant attribute, if any."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "superseded",
                            "description": "Whether this source is superseded by a higher priority source."
                        },
                        {
                            "$ref": "AXValueNativeSourceType",
                            "optional": true,
                            "name": "nativeSource",
                            "description": "The native markup source for this value, e.g. a <label> element."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "nativeSourceValue",
                            "description": "The value, such as a node or node list, of the native source."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "invalid",
                            "description": "Whether the value for this property is invalid."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "invalidReason",
                            "description": "Reason for the value being invalid, if it is."
                        }
                    ],
                    "type": "object",
                    "id": "AXValueSource",
                    "description": "A single source for a computed AX property."
                },
                {
                    "type": "object",
                    "id": "AXRelatedNode",
                    "properties": [
                        {
                            "$ref": "DOM.BackendNodeId",
                            "name": "backendDOMNodeId",
                            "description": "The BackendNodeId of the related DOM node."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "idref",
                            "description": "The IDRef value provided, if any."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "text",
                            "description": "The text alternative of this node in the current context."
                        }
                    ]
                },
                {
                    "type": "object",
                    "id": "AXProperty",
                    "properties": [
                        {
                            "$ref": "AXPropertyName",
                            "name": "name",
                            "description": "The name of this property."
                        },
                        {
                            "$ref": "AXValue",
                            "name": "value",
                            "description": "The value of this property."
                        }
                    ]
                },
                {
                    "properties": [
                        {
                            "$ref": "AXValueType",
                            "name": "type",
                            "description": "The type of this value."
                        },
                        {
                            "type": "any",
                            "optional": true,
                            "name": "value",
                            "description": "The computed value of this property."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "AXRelatedNode"
                            },
                            "optional": true,
                            "name": "relatedNodes",
                            "description": "One or more related nodes, if applicable."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "AXValueSource"
                            },
                            "optional": true,
                            "name": "sources",
                            "description": "The sources which contributed to the computation of this property."
                        }
                    ],
                    "type": "object",
                    "id": "AXValue",
                    "description": "A single computed AX property."
                },
                {
                    "enum": [
                        "busy",
                        "disabled",
                        "hidden",
                        "hiddenRoot",
                        "invalid",
                        "keyshortcuts",
                        "roledescription",
                        "live",
                        "atomic",
                        "relevant",
                        "root",
                        "autocomplete",
                        "hasPopup",
                        "level",
                        "multiselectable",
                        "orientation",
                        "multiline",
                        "readonly",
                        "required",
                        "valuemin",
                        "valuemax",
                        "valuetext",
                        "checked",
                        "expanded",
                        "modal",
                        "pressed",
                        "selected",
                        "activedescendant",
                        "controls",
                        "describedby",
                        "details",
                        "errormessage",
                        "flowto",
                        "labelledby",
                        "owns"
                    ],
                    "type": "string",
                    "id": "AXPropertyName",
                    "description": "Values of AXProperty name: from 'busy' to 'roledescription' - states which apply to every AX\nnode, from 'live' to 'root' - attributes which apply to nodes in live regions, from\n'autocomplete' to 'valuetext' - attributes which apply to widgets, from 'checked' to 'selected'\n- states which apply to widgets, from 'activedescendant' to 'owns' - relationships between\nelements other than parent/child/sibling."
                },
                {
                    "properties": [
                        {
                            "$ref": "AXNodeId",
                            "name": "nodeId",
                            "description": "Unique identifier for this node."
                        },
                        {
                            "type": "boolean",
                            "name": "ignored",
                            "description": "Whether this node is ignored for accessibility"
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "AXProperty"
                            },
                            "optional": true,
                            "name": "ignoredReasons",
                            "description": "Collection of reasons why this node is hidden."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "role",
                            "description": "This `Node`'s role, whether explicit or implicit."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "name",
                            "description": "The accessible name for this `Node`."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "description",
                            "description": "The accessible description for this `Node`."
                        },
                        {
                            "$ref": "AXValue",
                            "optional": true,
                            "name": "value",
                            "description": "The value for this `Node`."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "AXProperty"
                            },
                            "optional": true,
                            "name": "properties",
                            "description": "All other properties"
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "AXNodeId"
                            },
                            "optional": true,
                            "name": "childIds",
                            "description": "IDs for each of this node's child nodes."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendDOMNodeId",
                            "description": "The backend ID for the associated DOM node, if any."
                        }
                    ],
                    "type": "object",
                    "id": "AXNode",
                    "description": "A node in the accessibility tree."
                }
            ],
            "experimental": true
        },
        {
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables animation domain notifications."
                },
                {
                    "name": "enable",
                    "description": "Enables animation domain notifications."
                },
                {
                    "returns": [
                        {
                            "type": "number",
                            "name": "currentTime",
                            "description": "Current time of the page."
                        }
                    ],
                    "name": "getCurrentTime",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "Id of animation."
                        }
                    ],
                    "description": "Returns the current time of the an animation."
                },
                {
                    "returns": [
                        {
                            "type": "number",
                            "name": "playbackRate",
                            "description": "Playback rate for animations on page."
                        }
                    ],
                    "name": "getPlaybackRate",
                    "description": "Gets the playback rate of the document timeline."
                },
                {
                    "name": "releaseAnimations",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "animations",
                            "description": "List of animation ids to seek."
                        }
                    ],
                    "description": "Releases a set of animations to no longer be manipulated."
                },
                {
                    "returns": [
                        {
                            "$ref": "Runtime.RemoteObject",
                            "name": "remoteObject",
                            "description": "Corresponding remote object."
                        }
                    ],
                    "name": "resolveAnimation",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "animationId",
                            "description": "Animation id."
                        }
                    ],
                    "description": "Gets the remote object of the Animation."
                },
                {
                    "name": "seekAnimations",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "animations",
                            "description": "List of animation ids to seek."
                        },
                        {
                            "type": "number",
                            "name": "currentTime",
                            "description": "Set the current time of each animation."
                        }
                    ],
                    "description": "Seek a set of animations to a particular time within each animation."
                },
                {
                    "name": "setPaused",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "animations",
                            "description": "Animations to set the pause state of."
                        },
                        {
                            "type": "boolean",
                            "name": "paused",
                            "description": "Paused state to set to."
                        }
                    ],
                    "description": "Sets the paused state of a set of animations."
                },
                {
                    "name": "setPlaybackRate",
                    "parameters": [
                        {
                            "type": "number",
                            "name": "playbackRate",
                            "description": "Playback rate for animations on page"
                        }
                    ],
                    "description": "Sets the playback rate of the document timeline."
                },
                {
                    "name": "setTiming",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "animationId",
                            "description": "Animation id."
                        },
                        {
                            "type": "number",
                            "name": "duration",
                            "description": "Duration of the animation."
                        },
                        {
                            "type": "number",
                            "name": "delay",
                            "description": "Delay of the animation."
                        }
                    ],
                    "description": "Sets the timing of an animation node."
                }
            ],
            "domain": "Animation",
            "dependencies": [
                "Runtime",
                "DOM"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "animationCanceled",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "Id of the animation that was cancelled."
                        }
                    ],
                    "description": "Event for when an animation has been cancelled."
                },
                {
                    "name": "animationCreated",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "Id of the animation that was created."
                        }
                    ],
                    "description": "Event for each animation that has been created."
                },
                {
                    "name": "animationStarted",
                    "parameters": [
                        {
                            "$ref": "Animation",
                            "name": "animation",
                            "description": "Animation that was started."
                        }
                    ],
                    "description": "Event for animation that has been started."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "`Animation`'s id."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "`Animation`'s name."
                        },
                        {
                            "type": "boolean",
                            "name": "pausedState",
                            "description": "`Animation`'s internal paused state."
                        },
                        {
                            "type": "string",
                            "name": "playState",
                            "description": "`Animation`'s play state."
                        },
                        {
                            "type": "number",
                            "name": "playbackRate",
                            "description": "`Animation`'s playback rate."
                        },
                        {
                            "type": "number",
                            "name": "startTime",
                            "description": "`Animation`'s start time."
                        },
                        {
                            "type": "number",
                            "name": "currentTime",
                            "description": "`Animation`'s current time."
                        },
                        {
                            "enum": [
                                "CSSTransition",
                                "CSSAnimation",
                                "WebAnimation"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Animation type of `Animation`."
                        },
                        {
                            "$ref": "AnimationEffect",
                            "optional": true,
                            "name": "source",
                            "description": "`Animation`'s source animation node."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "cssId",
                            "description": "A unique ID for `Animation` representing the sources that triggered this CSS\nanimation/transition."
                        }
                    ],
                    "type": "object",
                    "id": "Animation",
                    "description": "Animation instance."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "delay",
                            "description": "`AnimationEffect`'s delay."
                        },
                        {
                            "type": "number",
                            "name": "endDelay",
                            "description": "`AnimationEffect`'s end delay."
                        },
                        {
                            "type": "number",
                            "name": "iterationStart",
                            "description": "`AnimationEffect`'s iteration start."
                        },
                        {
                            "type": "number",
                            "name": "iterations",
                            "description": "`AnimationEffect`'s iterations."
                        },
                        {
                            "type": "number",
                            "name": "duration",
                            "description": "`AnimationEffect`'s iteration duration."
                        },
                        {
                            "type": "string",
                            "name": "direction",
                            "description": "`AnimationEffect`'s playback direction."
                        },
                        {
                            "type": "string",
                            "name": "fill",
                            "description": "`AnimationEffect`'s fill mode."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "`AnimationEffect`'s target node."
                        },
                        {
                            "$ref": "KeyframesRule",
                            "optional": true,
                            "name": "keyframesRule",
                            "description": "`AnimationEffect`'s keyframes."
                        },
                        {
                            "type": "string",
                            "name": "easing",
                            "description": "`AnimationEffect`'s timing function."
                        }
                    ],
                    "type": "object",
                    "id": "AnimationEffect",
                    "description": "AnimationEffect instance"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "name",
                            "description": "CSS keyframed animation's name."
                        },
                        {
                            "items": {
                                "$ref": "KeyframeStyle"
                            },
                            "type": "array",
                            "name": "keyframes",
                            "description": "List of animation keyframes."
                        }
                    ],
                    "type": "object",
                    "id": "KeyframesRule",
                    "description": "Keyframes Rule"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "offset",
                            "description": "Keyframe's time offset."
                        },
                        {
                            "type": "string",
                            "name": "easing",
                            "description": "`AnimationEffect`'s timing function."
                        }
                    ],
                    "type": "object",
                    "id": "KeyframeStyle",
                    "description": "Keyframe Style"
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "enable",
                    "description": "Enables application cache domain notifications."
                },
                {
                    "returns": [
                        {
                            "$ref": "ApplicationCache",
                            "name": "applicationCache",
                            "description": "Relevant application cache data for the document in given frame."
                        }
                    ],
                    "name": "getApplicationCacheForFrame",
                    "parameters": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Identifier of the frame containing document whose application cache is retrieved."
                        }
                    ],
                    "description": "Returns relevant application cache data for the document in given frame."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "FrameWithManifest"
                            },
                            "type": "array",
                            "name": "frameIds",
                            "description": "Array of frame identifiers with manifest urls for each frame containing a document\nassociated with some application cache."
                        }
                    ],
                    "name": "getFramesWithManifests",
                    "description": "Returns array of frame identifiers with manifest urls for each frame containing a document\nassociated with some application cache."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "manifestURL",
                            "description": "Manifest URL for document in the given frame."
                        }
                    ],
                    "name": "getManifestForFrame",
                    "parameters": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Identifier of the frame containing document whose manifest is retrieved."
                        }
                    ],
                    "description": "Returns manifest URL for document in the given frame."
                }
            ],
            "domain": "ApplicationCache",
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Resource url."
                        },
                        {
                            "type": "integer",
                            "name": "size",
                            "description": "Resource size."
                        },
                        {
                            "type": "string",
                            "name": "type",
                            "description": "Resource type."
                        }
                    ],
                    "type": "object",
                    "id": "ApplicationCacheResource",
                    "description": "Detailed application cache resource information."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "manifestURL",
                            "description": "Manifest URL."
                        },
                        {
                            "type": "number",
                            "name": "size",
                            "description": "Application cache size."
                        },
                        {
                            "type": "number",
                            "name": "creationTime",
                            "description": "Application cache creation time."
                        },
                        {
                            "type": "number",
                            "name": "updateTime",
                            "description": "Application cache update time."
                        },
                        {
                            "items": {
                                "$ref": "ApplicationCacheResource"
                            },
                            "type": "array",
                            "name": "resources",
                            "description": "Application cache resources."
                        }
                    ],
                    "type": "object",
                    "id": "ApplicationCache",
                    "description": "Detailed application cache information."
                },
                {
                    "properties": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Frame identifier."
                        },
                        {
                            "type": "string",
                            "name": "manifestURL",
                            "description": "Manifest URL."
                        },
                        {
                            "type": "integer",
                            "name": "status",
                            "description": "Application cache status."
                        }
                    ],
                    "type": "object",
                    "id": "FrameWithManifest",
                    "description": "Frame identifier - manifest URL pair."
                }
            ],
            "experimental": true,
            "events": [
                {
                    "name": "applicationCacheStatusUpdated",
                    "parameters": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Identifier of the frame containing document whose application cache updated status."
                        },
                        {
                            "type": "string",
                            "name": "manifestURL",
                            "description": "Manifest URL."
                        },
                        {
                            "type": "integer",
                            "name": "status",
                            "description": "Updated application cache status."
                        }
                    ]
                },
                {
                    "name": "networkStateUpdated",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "isNowOnline"
                        }
                    ]
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "body",
                            "description": "The encoded body as a base64 string. Omitted if sizeOnly is true."
                        },
                        {
                            "type": "integer",
                            "name": "originalSize",
                            "description": "Size before re-encoding."
                        },
                        {
                            "type": "integer",
                            "name": "encodedSize",
                            "description": "Size after re-encoding."
                        }
                    ],
                    "name": "getEncodedResponse",
                    "parameters": [
                        {
                            "$ref": "Network.RequestId",
                            "name": "requestId",
                            "description": "Identifier of the network request to get content for."
                        },
                        {
                            "enum": [
                                "webp",
                                "jpeg",
                                "png"
                            ],
                            "type": "string",
                            "name": "encoding",
                            "description": "The encoding to use."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "quality",
                            "description": "The quality of the encoding (0-1). (defaults to 1)"
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "sizeOnly",
                            "description": "Whether to only return the size information (defaults to false)."
                        }
                    ],
                    "description": "Returns the response body and size if it were re-encoded with the specified settings. Only\napplies to images."
                }
            ],
            "domain": "Audits",
            "dependencies": [
                "Network"
            ],
            "description": "Audits domain allows investigation of page violations and possible improvements.",
            "experimental": true
        },
        {
            "commands": [
                {
                    "name": "close",
                    "description": "Close browser gracefully."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "protocolVersion",
                            "description": "Protocol version."
                        },
                        {
                            "type": "string",
                            "name": "product",
                            "description": "Product name."
                        },
                        {
                            "type": "string",
                            "name": "revision",
                            "description": "Product revision."
                        },
                        {
                            "type": "string",
                            "name": "userAgent",
                            "description": "User-Agent."
                        },
                        {
                            "type": "string",
                            "name": "jsVersion",
                            "description": "V8 version."
                        }
                    ],
                    "name": "getVersion",
                    "description": "Returns version information."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "arguments",
                            "description": "Commandline parameters"
                        }
                    ],
                    "name": "getBrowserCommandLine",
                    "experimental": true,
                    "description": "Returns the command line switches for the browser process if, and only if\n--enable-automation is on the commandline."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Histogram"
                            },
                            "type": "array",
                            "name": "histograms",
                            "description": "Histograms."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "query",
                            "description": "Requested substring in name. Only histograms which have query as a\nsubstring in their name are extracted. An empty or absent query returns\nall histograms."
                        }
                    ],
                    "name": "getHistograms",
                    "experimental": true,
                    "description": "Get Chrome histograms."
                },
                {
                    "returns": [
                        {
                            "$ref": "Histogram",
                            "name": "histogram",
                            "description": "Histogram."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Requested histogram name."
                        }
                    ],
                    "name": "getHistogram",
                    "experimental": true,
                    "description": "Get a Chrome histogram by name."
                },
                {
                    "returns": [
                        {
                            "$ref": "Bounds",
                            "name": "bounds",
                            "description": "Bounds information of the window. When window state is 'minimized', the restored window\nposition and size are returned."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "WindowID",
                            "name": "windowId",
                            "description": "Browser window id."
                        }
                    ],
                    "name": "getWindowBounds",
                    "experimental": true,
                    "description": "Get position and size of the browser window."
                },
                {
                    "returns": [
                        {
                            "$ref": "WindowID",
                            "name": "windowId",
                            "description": "Browser window id."
                        },
                        {
                            "$ref": "Bounds",
                            "name": "bounds",
                            "description": "Bounds information of the window. When window state is 'minimized', the restored window\nposition and size are returned."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "Target.TargetID",
                            "name": "targetId",
                            "description": "Devtools agent host id."
                        }
                    ],
                    "name": "getWindowForTarget",
                    "experimental": true,
                    "description": "Get the browser window that contains the devtools target."
                },
                {
                    "parameters": [
                        {
                            "$ref": "WindowID",
                            "name": "windowId",
                            "description": "Browser window id."
                        },
                        {
                            "$ref": "Bounds",
                            "name": "bounds",
                            "description": "New window bounds. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined\nwith 'left', 'top', 'width' or 'height'. Leaves unspecified fields unchanged."
                        }
                    ],
                    "name": "setWindowBounds",
                    "experimental": true,
                    "description": "Set position and/or size of the browser window."
                }
            ],
            "domain": "Browser",
            "description": "The Browser domain defines methods and events for browser managing.",
            "types": [
                {
                    "type": "integer",
                    "id": "WindowID",
                    "experimental": true
                },
                {
                    "enum": [
                        "normal",
                        "minimized",
                        "maximized",
                        "fullscreen"
                    ],
                    "type": "string",
                    "id": "WindowState",
                    "experimental": true,
                    "description": "The state of the browser window."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "left",
                            "description": "The offset from the left edge of the screen to the window in pixels."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "top",
                            "description": "The offset from the top edge of the screen to the window in pixels."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "width",
                            "description": "The window width in pixels."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "height",
                            "description": "The window height in pixels."
                        },
                        {
                            "$ref": "WindowState",
                            "optional": true,
                            "name": "windowState",
                            "description": "The window state. Default to normal."
                        }
                    ],
                    "type": "object",
                    "id": "Bounds",
                    "experimental": true,
                    "description": "Browser window bounds information"
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "low",
                            "description": "Minimum value (inclusive)."
                        },
                        {
                            "type": "integer",
                            "name": "high",
                            "description": "Maximum value (exclusive)."
                        },
                        {
                            "type": "integer",
                            "name": "count",
                            "description": "Number of samples."
                        }
                    ],
                    "type": "object",
                    "id": "Bucket",
                    "experimental": true,
                    "description": "Chrome histogram bucket."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Name."
                        },
                        {
                            "type": "integer",
                            "name": "sum",
                            "description": "Sum of sample values."
                        },
                        {
                            "type": "integer",
                            "name": "count",
                            "description": "Total number of samples."
                        },
                        {
                            "items": {
                                "$ref": "Bucket"
                            },
                            "type": "array",
                            "name": "buckets",
                            "description": "Buckets."
                        }
                    ],
                    "type": "object",
                    "id": "Histogram",
                    "experimental": true,
                    "description": "Chrome histogram."
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "$ref": "CSSRule",
                            "name": "rule",
                            "description": "The newly created rule."
                        }
                    ],
                    "name": "addRule",
                    "parameters": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier where a new rule should be inserted."
                        },
                        {
                            "type": "string",
                            "name": "ruleText",
                            "description": "The text of a new rule."
                        },
                        {
                            "$ref": "SourceRange",
                            "name": "location",
                            "description": "Text position of a new rule in the target style sheet."
                        }
                    ],
                    "description": "Inserts a new rule with the given `ruleText` in a stylesheet with given `styleSheetId`, at the\nposition specified by `location`."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "classNames",
                            "description": "Class name list."
                        }
                    ],
                    "name": "collectClassNames",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        }
                    ],
                    "description": "Returns all class names from specified stylesheet."
                },
                {
                    "returns": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "Identifier of the created \"via-inspector\" stylesheet."
                        }
                    ],
                    "name": "createStyleSheet",
                    "parameters": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Identifier of the frame where \"via-inspector\" stylesheet should be created."
                        }
                    ],
                    "description": "Creates a new special \"via-inspector\" stylesheet in the frame with given `frameId`."
                },
                {
                    "name": "disable",
                    "description": "Disables the CSS agent for the given page."
                },
                {
                    "name": "enable",
                    "description": "Enables the CSS agent for the given page. Clients should not assume that the CSS agent has been\nenabled until the result of this command is received."
                },
                {
                    "name": "forcePseudoState",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "The element id for which to force the pseudo state."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "forcedPseudoClasses",
                            "description": "Element pseudo classes to force when computing the element's style."
                        }
                    ],
                    "description": "Ensures that the given node will have specified pseudo-classes whenever its style is computed by\nthe browser."
                },
                {
                    "returns": [
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "backgroundColors",
                            "description": "The range of background colors behind this element, if it contains any visible text. If no\nvisible text is present, this will be undefined. In the case of a flat background color,\nthis will consist of simply that color. In the case of a gradient, this will consist of each\nof the color stops. For anything more complicated, this will be an empty array. Images will\nbe ignored (as if the image had failed to load)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "computedFontSize",
                            "description": "The computed font size for this node, as a CSS computed value string (e.g. '12px')."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "computedFontWeight",
                            "description": "The computed font weight for this node, as a CSS computed value string (e.g. 'normal' or\n'100')."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "computedBodyFontSize",
                            "description": "The computed font size for the document body, as a computed CSS value string (e.g. '16px')."
                        }
                    ],
                    "name": "getBackgroundColors",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to get background colors for."
                        }
                    ]
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "CSSComputedStyleProperty"
                            },
                            "type": "array",
                            "name": "computedStyle",
                            "description": "Computed style for the specified DOM node."
                        }
                    ],
                    "name": "getComputedStyleForNode",
                    "parameters": [
                        {
                            "name": "nodeId",
                            "$ref": "DOM.NodeId"
                        }
                    ],
                    "description": "Returns the computed style for a DOM node identified by `nodeId`."
                },
                {
                    "returns": [
                        {
                            "$ref": "CSSStyle",
                            "optional": true,
                            "name": "inlineStyle",
                            "description": "Inline style for the specified DOM node."
                        },
                        {
                            "$ref": "CSSStyle",
                            "optional": true,
                            "name": "attributesStyle",
                            "description": "Attribute-defined element style (e.g. resulting from \"width=20 height=100%\")."
                        }
                    ],
                    "name": "getInlineStylesForNode",
                    "parameters": [
                        {
                            "name": "nodeId",
                            "$ref": "DOM.NodeId"
                        }
                    ],
                    "description": "Returns the styles defined inline (explicitly in the \"style\" attribute and implicitly, using DOM\nattributes) for a DOM node identified by `nodeId`."
                },
                {
                    "returns": [
                        {
                            "$ref": "CSSStyle",
                            "optional": true,
                            "name": "inlineStyle",
                            "description": "Inline style for the specified DOM node."
                        },
                        {
                            "$ref": "CSSStyle",
                            "optional": true,
                            "name": "attributesStyle",
                            "description": "Attribute-defined element style (e.g. resulting from \"width=20 height=100%\")."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "RuleMatch"
                            },
                            "optional": true,
                            "name": "matchedCSSRules",
                            "description": "CSS rules matching this node, from all applicable stylesheets."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "PseudoElementMatches"
                            },
                            "optional": true,
                            "name": "pseudoElements",
                            "description": "Pseudo style matches for this node."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "InheritedStyleEntry"
                            },
                            "optional": true,
                            "name": "inherited",
                            "description": "A chain of inherited styles (from the immediate node parent up to the DOM tree root)."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "CSSKeyframesRule"
                            },
                            "optional": true,
                            "name": "cssKeyframesRules",
                            "description": "A list of CSS keyframed animations matching this node."
                        }
                    ],
                    "name": "getMatchedStylesForNode",
                    "parameters": [
                        {
                            "name": "nodeId",
                            "$ref": "DOM.NodeId"
                        }
                    ],
                    "description": "Returns requested styles for a DOM node identified by `nodeId`."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "CSSMedia"
                            },
                            "type": "array",
                            "name": "medias"
                        }
                    ],
                    "name": "getMediaQueries",
                    "description": "Returns all media queries parsed by the rendering engine."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "PlatformFontUsage"
                            },
                            "type": "array",
                            "name": "fonts",
                            "description": "Usage statistics for every employed platform font."
                        }
                    ],
                    "name": "getPlatformFontsForNode",
                    "parameters": [
                        {
                            "name": "nodeId",
                            "$ref": "DOM.NodeId"
                        }
                    ],
                    "description": "Requests information about platform fonts which we used to render child TextNodes in the given\nnode."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "text",
                            "description": "The stylesheet text."
                        }
                    ],
                    "name": "getStyleSheetText",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        }
                    ],
                    "description": "Returns the current textual content for a stylesheet."
                },
                {
                    "name": "setEffectivePropertyValueForNode",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "The element id for which to set property."
                        },
                        {
                            "type": "string",
                            "name": "propertyName"
                        },
                        {
                            "type": "string",
                            "name": "value"
                        }
                    ],
                    "description": "Find a rule with the given active property for the given node and set the new value for this\nproperty"
                },
                {
                    "returns": [
                        {
                            "$ref": "Value",
                            "name": "keyText",
                            "description": "The resulting key text after modification."
                        }
                    ],
                    "name": "setKeyframeKey",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        },
                        {
                            "name": "range",
                            "$ref": "SourceRange"
                        },
                        {
                            "type": "string",
                            "name": "keyText"
                        }
                    ],
                    "description": "Modifies the keyframe rule key text."
                },
                {
                    "returns": [
                        {
                            "$ref": "CSSMedia",
                            "name": "media",
                            "description": "The resulting CSS media rule after modification."
                        }
                    ],
                    "name": "setMediaText",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        },
                        {
                            "name": "range",
                            "$ref": "SourceRange"
                        },
                        {
                            "type": "string",
                            "name": "text"
                        }
                    ],
                    "description": "Modifies the rule selector."
                },
                {
                    "returns": [
                        {
                            "$ref": "SelectorList",
                            "name": "selectorList",
                            "description": "The resulting selector list after modification."
                        }
                    ],
                    "name": "setRuleSelector",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        },
                        {
                            "name": "range",
                            "$ref": "SourceRange"
                        },
                        {
                            "type": "string",
                            "name": "selector"
                        }
                    ],
                    "description": "Modifies the rule selector."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "sourceMapURL",
                            "description": "URL of source map associated with script (if any)."
                        }
                    ],
                    "name": "setStyleSheetText",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        },
                        {
                            "type": "string",
                            "name": "text"
                        }
                    ],
                    "description": "Sets the new stylesheet text."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "CSSStyle"
                            },
                            "type": "array",
                            "name": "styles",
                            "description": "The resulting styles after modification."
                        }
                    ],
                    "name": "setStyleTexts",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "StyleDeclarationEdit"
                            },
                            "type": "array",
                            "name": "edits"
                        }
                    ],
                    "description": "Applies specified style edits one after another in the given order."
                },
                {
                    "name": "startRuleUsageTracking",
                    "description": "Enables the selector recording."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "RuleUsage"
                            },
                            "type": "array",
                            "name": "ruleUsage"
                        }
                    ],
                    "name": "stopRuleUsageTracking",
                    "description": "Stop tracking rule usage and return the list of rules that were used since last call to\n`takeCoverageDelta` (or since start of coverage instrumentation)"
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "RuleUsage"
                            },
                            "type": "array",
                            "name": "coverage"
                        }
                    ],
                    "name": "takeCoverageDelta",
                    "description": "Obtain list of rules that became used since last call to this method (or since start of coverage\ninstrumentation)"
                }
            ],
            "description": "This domain exposes CSS read/write operations. All CSS objects (stylesheets, rules, and styles)\nhave an associated `id` used in subsequent operations on the related object. Each object type has\na specific `id` structure, and those are not interchangeable between objects of different kinds.\nCSS objects can be loaded using the `get*ForNode()` calls (which accept a DOM node id). A client\ncan also keep track of stylesheets via the `styleSheetAdded`/`styleSheetRemoved` events and\nsubsequently load the required stylesheet contents using the `getStyleSheet[Text]()` methods.",
            "domain": "CSS",
            "dependencies": [
                "DOM"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "fontsUpdated",
                    "parameters": [
                        {
                            "$ref": "FontFace",
                            "optional": true,
                            "name": "font",
                            "description": "The web font that has loaded."
                        }
                    ],
                    "description": "Fires whenever a web font is updated.  A non-empty font parameter indicates a successfully loaded\nweb font"
                },
                {
                    "name": "mediaQueryResultChanged",
                    "description": "Fires whenever a MediaQuery result changes (for example, after a browser window has been\nresized.) The current implementation considers only viewport-dependent media features."
                },
                {
                    "name": "styleSheetAdded",
                    "parameters": [
                        {
                            "$ref": "CSSStyleSheetHeader",
                            "name": "header",
                            "description": "Added stylesheet metainfo."
                        }
                    ],
                    "description": "Fired whenever an active document stylesheet is added."
                },
                {
                    "name": "styleSheetChanged",
                    "parameters": [
                        {
                            "name": "styleSheetId",
                            "$ref": "StyleSheetId"
                        }
                    ],
                    "description": "Fired whenever a stylesheet is changed as a result of the client operation."
                },
                {
                    "name": "styleSheetRemoved",
                    "parameters": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "Identifier of the removed stylesheet."
                        }
                    ],
                    "description": "Fired whenever an active document stylesheet is removed."
                }
            ],
            "types": [
                {
                    "type": "string",
                    "id": "StyleSheetId"
                },
                {
                    "enum": [
                        "injected",
                        "user-agent",
                        "inspector",
                        "regular"
                    ],
                    "type": "string",
                    "id": "StyleSheetOrigin",
                    "description": "Stylesheet type: \"injected\" for stylesheets injected via extension, \"user-agent\" for user-agent\nstylesheets, \"inspector\" for stylesheets created by the inspector (i.e. those holding the \"via\ninspector\" rules), \"regular\" for regular stylesheets."
                },
                {
                    "properties": [
                        {
                            "$ref": "DOM.PseudoType",
                            "name": "pseudoType",
                            "description": "Pseudo element type."
                        },
                        {
                            "items": {
                                "$ref": "RuleMatch"
                            },
                            "type": "array",
                            "name": "matches",
                            "description": "Matches of CSS rules applicable to the pseudo style."
                        }
                    ],
                    "type": "object",
                    "id": "PseudoElementMatches",
                    "description": "CSS rule collection for a single pseudo style."
                },
                {
                    "properties": [
                        {
                            "$ref": "CSSStyle",
                            "optional": true,
                            "name": "inlineStyle",
                            "description": "The ancestor node's inline style, if any, in the style inheritance chain."
                        },
                        {
                            "items": {
                                "$ref": "RuleMatch"
                            },
                            "type": "array",
                            "name": "matchedCSSRules",
                            "description": "Matches of CSS rules matching the ancestor node in the style inheritance chain."
                        }
                    ],
                    "type": "object",
                    "id": "InheritedStyleEntry",
                    "description": "Inherited CSS rule collection from ancestor node."
                },
                {
                    "properties": [
                        {
                            "$ref": "CSSRule",
                            "name": "rule",
                            "description": "CSS rule in the match."
                        },
                        {
                            "items": {
                                "type": "integer"
                            },
                            "type": "array",
                            "name": "matchingSelectors",
                            "description": "Matching selector indices in the rule's selectorList selectors (0-based)."
                        }
                    ],
                    "type": "object",
                    "id": "RuleMatch",
                    "description": "Match data for a CSS rule."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Value text."
                        },
                        {
                            "$ref": "SourceRange",
                            "optional": true,
                            "name": "range",
                            "description": "Value range in the underlying resource (if available)."
                        }
                    ],
                    "type": "object",
                    "id": "Value",
                    "description": "Data for a simple selector (these are delimited by commas in a selector list)."
                },
                {
                    "properties": [
                        {
                            "items": {
                                "$ref": "Value"
                            },
                            "type": "array",
                            "name": "selectors",
                            "description": "Selectors in the list."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Rule selector text."
                        }
                    ],
                    "type": "object",
                    "id": "SelectorList",
                    "description": "Selector list data."
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "The stylesheet identifier."
                        },
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Owner frame identifier."
                        },
                        {
                            "type": "string",
                            "name": "sourceURL",
                            "description": "Stylesheet resource URL."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "sourceMapURL",
                            "description": "URL of source map associated with the stylesheet (if any)."
                        },
                        {
                            "$ref": "StyleSheetOrigin",
                            "name": "origin",
                            "description": "Stylesheet origin."
                        },
                        {
                            "type": "string",
                            "name": "title",
                            "description": "Stylesheet title."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "ownerNode",
                            "description": "The backend id for the owner node of the stylesheet."
                        },
                        {
                            "type": "boolean",
                            "name": "disabled",
                            "description": "Denotes whether the stylesheet is disabled."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "hasSourceURL",
                            "description": "Whether the sourceURL field value comes from the sourceURL comment."
                        },
                        {
                            "type": "boolean",
                            "name": "isInline",
                            "description": "Whether this stylesheet is created for STYLE tag by parser. This flag is not set for\ndocument.written STYLE tags."
                        },
                        {
                            "type": "number",
                            "name": "startLine",
                            "description": "Line offset of the stylesheet within the resource (zero based)."
                        },
                        {
                            "type": "number",
                            "name": "startColumn",
                            "description": "Column offset of the stylesheet within the resource (zero based)."
                        },
                        {
                            "type": "number",
                            "name": "length",
                            "description": "Size of the content (in characters)."
                        }
                    ],
                    "type": "object",
                    "id": "CSSStyleSheetHeader",
                    "description": "CSS stylesheet metainformation."
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "optional": true,
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified\nstylesheet rules) this rule came from."
                        },
                        {
                            "$ref": "SelectorList",
                            "name": "selectorList",
                            "description": "Rule selector data."
                        },
                        {
                            "$ref": "StyleSheetOrigin",
                            "name": "origin",
                            "description": "Parent stylesheet's origin."
                        },
                        {
                            "$ref": "CSSStyle",
                            "name": "style",
                            "description": "Associated style declaration."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "CSSMedia"
                            },
                            "optional": true,
                            "name": "media",
                            "description": "Media list array (for rules involving media queries). The array enumerates media queries\nstarting with the innermost one, going outwards."
                        }
                    ],
                    "type": "object",
                    "id": "CSSRule",
                    "description": "CSS rule representation."
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified\nstylesheet rules) this rule came from."
                        },
                        {
                            "type": "number",
                            "name": "startOffset",
                            "description": "Offset of the start of the rule (including selector) from the beginning of the stylesheet."
                        },
                        {
                            "type": "number",
                            "name": "endOffset",
                            "description": "Offset of the end of the rule body from the beginning of the stylesheet."
                        },
                        {
                            "type": "boolean",
                            "name": "used",
                            "description": "Indicates whether the rule was actually used by some element in the page."
                        }
                    ],
                    "type": "object",
                    "id": "RuleUsage",
                    "description": "CSS coverage information."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "startLine",
                            "description": "Start line of range."
                        },
                        {
                            "type": "integer",
                            "name": "startColumn",
                            "description": "Start column of range (inclusive)."
                        },
                        {
                            "type": "integer",
                            "name": "endLine",
                            "description": "End line of range"
                        },
                        {
                            "type": "integer",
                            "name": "endColumn",
                            "description": "End column of range (exclusive)."
                        }
                    ],
                    "type": "object",
                    "id": "SourceRange",
                    "description": "Text range within a resource. All numbers are zero-based."
                },
                {
                    "type": "object",
                    "id": "ShorthandEntry",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Shorthand name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Shorthand value."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "important",
                            "description": "Whether the property has \"!important\" annotation (implies `false` if absent)."
                        }
                    ]
                },
                {
                    "type": "object",
                    "id": "CSSComputedStyleProperty",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Computed style property name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Computed style property value."
                        }
                    ]
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "optional": true,
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified\nstylesheet rules) this rule came from."
                        },
                        {
                            "items": {
                                "$ref": "CSSProperty"
                            },
                            "type": "array",
                            "name": "cssProperties",
                            "description": "CSS properties in the style."
                        },
                        {
                            "items": {
                                "$ref": "ShorthandEntry"
                            },
                            "type": "array",
                            "name": "shorthandEntries",
                            "description": "Computed values for all shorthands found in the style."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "cssText",
                            "description": "Style declaration text (if available)."
                        },
                        {
                            "$ref": "SourceRange",
                            "optional": true,
                            "name": "range",
                            "description": "Style declaration range in the enclosing stylesheet (if available)."
                        }
                    ],
                    "type": "object",
                    "id": "CSSStyle",
                    "description": "CSS style representation."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "The property name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "The property value."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "important",
                            "description": "Whether the property has \"!important\" annotation (implies `false` if absent)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "implicit",
                            "description": "Whether the property is implicit (implies `false` if absent)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "text",
                            "description": "The full property text as specified in the style."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "parsedOk",
                            "description": "Whether the property is understood by the browser (implies `true` if absent)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "disabled",
                            "description": "Whether the property is disabled by the user (present for source-based properties only)."
                        },
                        {
                            "$ref": "SourceRange",
                            "optional": true,
                            "name": "range",
                            "description": "The entire property range in the enclosing style declaration (if available)."
                        }
                    ],
                    "type": "object",
                    "id": "CSSProperty",
                    "description": "CSS property declaration data."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Media query text."
                        },
                        {
                            "enum": [
                                "mediaRule",
                                "importRule",
                                "linkedSheet",
                                "inlineSheet"
                            ],
                            "type": "string",
                            "name": "source",
                            "description": "Source of the media query: \"mediaRule\" if specified by a @media rule, \"importRule\" if\nspecified by an @import rule, \"linkedSheet\" if specified by a \"media\" attribute in a linked\nstylesheet's LINK tag, \"inlineSheet\" if specified by a \"media\" attribute in an inline\nstylesheet's STYLE tag."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "sourceURL",
                            "description": "URL of the document containing the media query description."
                        },
                        {
                            "$ref": "SourceRange",
                            "optional": true,
                            "name": "range",
                            "description": "The associated rule (@media or @import) header range in the enclosing stylesheet (if\navailable)."
                        },
                        {
                            "$ref": "StyleSheetId",
                            "optional": true,
                            "name": "styleSheetId",
                            "description": "Identifier of the stylesheet containing this object (if exists)."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "MediaQuery"
                            },
                            "optional": true,
                            "name": "mediaList",
                            "description": "Array of media queries."
                        }
                    ],
                    "type": "object",
                    "id": "CSSMedia",
                    "description": "CSS media rule descriptor."
                },
                {
                    "properties": [
                        {
                            "items": {
                                "$ref": "MediaQueryExpression"
                            },
                            "type": "array",
                            "name": "expressions",
                            "description": "Array of media query expressions."
                        },
                        {
                            "type": "boolean",
                            "name": "active",
                            "description": "Whether the media query condition is satisfied."
                        }
                    ],
                    "type": "object",
                    "id": "MediaQuery",
                    "description": "Media query descriptor."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "value",
                            "description": "Media query expression value."
                        },
                        {
                            "type": "string",
                            "name": "unit",
                            "description": "Media query expression units."
                        },
                        {
                            "type": "string",
                            "name": "feature",
                            "description": "Media query expression feature."
                        },
                        {
                            "$ref": "SourceRange",
                            "optional": true,
                            "name": "valueRange",
                            "description": "The associated range of the value text in the enclosing stylesheet (if available)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "computedLength",
                            "description": "Computed length of media query expression (if applicable)."
                        }
                    ],
                    "type": "object",
                    "id": "MediaQueryExpression",
                    "description": "Media query expression descriptor."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "familyName",
                            "description": "Font's family name reported by platform."
                        },
                        {
                            "type": "boolean",
                            "name": "isCustomFont",
                            "description": "Indicates if the font was downloaded or resolved locally."
                        },
                        {
                            "type": "number",
                            "name": "glyphCount",
                            "description": "Amount of glyphs that were rendered with this font."
                        }
                    ],
                    "type": "object",
                    "id": "PlatformFontUsage",
                    "description": "Information about amount of glyphs that were rendered with given font."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "fontFamily",
                            "description": "The font-family."
                        },
                        {
                            "type": "string",
                            "name": "fontStyle",
                            "description": "The font-style."
                        },
                        {
                            "type": "string",
                            "name": "fontVariant",
                            "description": "The font-variant."
                        },
                        {
                            "type": "string",
                            "name": "fontWeight",
                            "description": "The font-weight."
                        },
                        {
                            "type": "string",
                            "name": "fontStretch",
                            "description": "The font-stretch."
                        },
                        {
                            "type": "string",
                            "name": "unicodeRange",
                            "description": "The unicode-range."
                        },
                        {
                            "type": "string",
                            "name": "src",
                            "description": "The src."
                        },
                        {
                            "type": "string",
                            "name": "platformFontFamily",
                            "description": "The resolved platform font family"
                        }
                    ],
                    "type": "object",
                    "id": "FontFace",
                    "description": "Properties of a web font: https://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions"
                },
                {
                    "properties": [
                        {
                            "$ref": "Value",
                            "name": "animationName",
                            "description": "Animation name."
                        },
                        {
                            "items": {
                                "$ref": "CSSKeyframeRule"
                            },
                            "type": "array",
                            "name": "keyframes",
                            "description": "List of keyframes."
                        }
                    ],
                    "type": "object",
                    "id": "CSSKeyframesRule",
                    "description": "CSS keyframes rule representation."
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "optional": true,
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified\nstylesheet rules) this rule came from."
                        },
                        {
                            "$ref": "StyleSheetOrigin",
                            "name": "origin",
                            "description": "Parent stylesheet's origin."
                        },
                        {
                            "$ref": "Value",
                            "name": "keyText",
                            "description": "Associated key text."
                        },
                        {
                            "$ref": "CSSStyle",
                            "name": "style",
                            "description": "Associated style declaration."
                        }
                    ],
                    "type": "object",
                    "id": "CSSKeyframeRule",
                    "description": "CSS keyframe rule representation."
                },
                {
                    "properties": [
                        {
                            "$ref": "StyleSheetId",
                            "name": "styleSheetId",
                            "description": "The css style sheet identifier."
                        },
                        {
                            "$ref": "SourceRange",
                            "name": "range",
                            "description": "The range of the style text in the enclosing stylesheet."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "New style text."
                        }
                    ],
                    "type": "object",
                    "id": "StyleDeclarationEdit",
                    "description": "A descriptor of operation to mutate style declaration text."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "deleteCache",
                    "parameters": [
                        {
                            "$ref": "CacheId",
                            "name": "cacheId",
                            "description": "Id of cache for deletion."
                        }
                    ],
                    "description": "Deletes a cache."
                },
                {
                    "name": "deleteEntry",
                    "parameters": [
                        {
                            "$ref": "CacheId",
                            "name": "cacheId",
                            "description": "Id of cache where the entry will be deleted."
                        },
                        {
                            "type": "string",
                            "name": "request",
                            "description": "URL spec of the request."
                        }
                    ],
                    "description": "Deletes a cache entry."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Cache"
                            },
                            "type": "array",
                            "name": "caches",
                            "description": "Caches for the security origin."
                        }
                    ],
                    "name": "requestCacheNames",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Requests cache names."
                },
                {
                    "returns": [
                        {
                            "$ref": "CachedResponse",
                            "name": "response",
                            "description": "Response read from the cache."
                        }
                    ],
                    "name": "requestCachedResponse",
                    "parameters": [
                        {
                            "$ref": "CacheId",
                            "name": "cacheId",
                            "description": "Id of cache that contains the enty."
                        },
                        {
                            "type": "string",
                            "name": "requestURL",
                            "description": "URL spec of the request."
                        }
                    ],
                    "description": "Fetches cache entry."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "DataEntry"
                            },
                            "type": "array",
                            "name": "cacheDataEntries",
                            "description": "Array of object store data entries."
                        },
                        {
                            "type": "boolean",
                            "name": "hasMore",
                            "description": "If true, there are more entries to fetch in the given range."
                        }
                    ],
                    "name": "requestEntries",
                    "parameters": [
                        {
                            "$ref": "CacheId",
                            "name": "cacheId",
                            "description": "ID of cache to get entries from."
                        },
                        {
                            "type": "integer",
                            "name": "skipCount",
                            "description": "Number of records to skip."
                        },
                        {
                            "type": "integer",
                            "name": "pageSize",
                            "description": "Number of records to fetch."
                        }
                    ],
                    "description": "Requests data from cache."
                }
            ],
            "domain": "CacheStorage",
            "types": [
                {
                    "type": "string",
                    "id": "CacheId",
                    "description": "Unique identifier of the Cache object."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "requestURL",
                            "description": "Request URL."
                        },
                        {
                            "type": "string",
                            "name": "requestMethod",
                            "description": "Request method."
                        },
                        {
                            "items": {
                                "$ref": "Header"
                            },
                            "type": "array",
                            "name": "requestHeaders",
                            "description": "Request headers"
                        },
                        {
                            "type": "number",
                            "name": "responseTime",
                            "description": "Number of seconds since epoch."
                        },
                        {
                            "type": "integer",
                            "name": "responseStatus",
                            "description": "HTTP response status code."
                        },
                        {
                            "type": "string",
                            "name": "responseStatusText",
                            "description": "HTTP response status text."
                        },
                        {
                            "items": {
                                "$ref": "Header"
                            },
                            "type": "array",
                            "name": "responseHeaders",
                            "description": "Response headers"
                        }
                    ],
                    "type": "object",
                    "id": "DataEntry",
                    "description": "Data entry."
                },
                {
                    "properties": [
                        {
                            "$ref": "CacheId",
                            "name": "cacheId",
                            "description": "An opaque unique id of the cache."
                        },
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin of the cache."
                        },
                        {
                            "type": "string",
                            "name": "cacheName",
                            "description": "The name of the cache."
                        }
                    ],
                    "type": "object",
                    "id": "Cache",
                    "description": "Cache identifier."
                },
                {
                    "type": "object",
                    "id": "Header",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name"
                        },
                        {
                            "type": "string",
                            "name": "value"
                        }
                    ]
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "body",
                            "description": "Entry content, base64-encoded."
                        }
                    ],
                    "type": "object",
                    "id": "CachedResponse",
                    "description": "Cached response"
                }
            ],
            "experimental": true
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "classNames",
                            "description": "Class name list."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to collect class names."
                        }
                    ],
                    "name": "collectClassNamesFromSubtree",
                    "experimental": true,
                    "description": "Collects class names for the node with given id and all of it's child nodes."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node clone."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to copy."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "targetNodeId",
                            "description": "Id of the element to drop the copy into."
                        },
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "insertBeforeNodeId",
                            "description": "Drop the copy before this node (if absent, the copy becomes the last child of\n`targetNodeId`)."
                        }
                    ],
                    "name": "copyTo",
                    "experimental": true,
                    "description": "Creates a deep copy of the specified node and places it into the target container before the\ngiven anchor."
                },
                {
                    "returns": [
                        {
                            "$ref": "Node",
                            "name": "node",
                            "description": "Node description."
                        }
                    ],
                    "name": "describeNode",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "depth",
                            "description": "The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the\nentire subtree or provide an integer larger than 0."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "pierce",
                            "description": "Whether or not iframes and shadow roots should be traversed when returning the subtree\n(default is false)."
                        }
                    ],
                    "description": "Describes node given its id, does not require domain to be enabled. Does not start tracking any\nobjects, can be used for automation."
                },
                {
                    "name": "disable",
                    "description": "Disables DOM agent for the given page."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "name": "searchId",
                            "description": "Unique search session identifier."
                        }
                    ],
                    "name": "discardSearchResults",
                    "experimental": true,
                    "description": "Discards search results from the session with the given id. `getSearchResults` should no longer\nbe called for that search."
                },
                {
                    "name": "enable",
                    "description": "Enables DOM agent for the given page."
                },
                {
                    "name": "focus",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper."
                        }
                    ],
                    "description": "Focuses the given element."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "attributes",
                            "description": "An interleaved array of node attribute names and values."
                        }
                    ],
                    "name": "getAttributes",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to retrieve attibutes for."
                        }
                    ],
                    "description": "Returns attributes for the specified node."
                },
                {
                    "returns": [
                        {
                            "$ref": "BoxModel",
                            "name": "model",
                            "description": "Box model for the node."
                        }
                    ],
                    "name": "getBoxModel",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper."
                        }
                    ],
                    "description": "Returns boxes for the given node."
                },
                {
                    "returns": [
                        {
                            "$ref": "Node",
                            "name": "root",
                            "description": "Resulting node."
                        }
                    ],
                    "name": "getDocument",
                    "parameters": [
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "depth",
                            "description": "The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the\nentire subtree or provide an integer larger than 0."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "pierce",
                            "description": "Whether or not iframes and shadow roots should be traversed when returning the subtree\n(default is false)."
                        }
                    ],
                    "description": "Returns the root DOM node (and optionally the subtree) to the caller."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Node"
                            },
                            "type": "array",
                            "name": "nodes",
                            "description": "Resulting node."
                        }
                    ],
                    "name": "getFlattenedDocument",
                    "parameters": [
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "depth",
                            "description": "The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the\nentire subtree or provide an integer larger than 0."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "pierce",
                            "description": "Whether or not iframes and shadow roots should be traversed when returning the subtree\n(default is false)."
                        }
                    ],
                    "description": "Returns the root DOM node (and optionally the subtree) to the caller."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node at given coordinates."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "x",
                            "description": "X coordinate."
                        },
                        {
                            "type": "integer",
                            "name": "y",
                            "description": "Y coordinate."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "includeUserAgentShadowDOM",
                            "description": "False to skip to the nearest non-UA shadow root ancestor (default: false)."
                        }
                    ],
                    "name": "getNodeForLocation",
                    "experimental": true,
                    "description": "Returns node id at given location."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "outerHTML",
                            "description": "Outer HTML markup."
                        }
                    ],
                    "name": "getOuterHTML",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper."
                        }
                    ],
                    "description": "Returns node's HTML markup."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Relayout boundary node id for the given node."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node."
                        }
                    ],
                    "name": "getRelayoutBoundary",
                    "experimental": true,
                    "description": "Returns the id of the nearest ancestor that is a relayout boundary."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "NodeId"
                            },
                            "type": "array",
                            "name": "nodeIds",
                            "description": "Ids of the search result nodes."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "name": "searchId",
                            "description": "Unique search session identifier."
                        },
                        {
                            "type": "integer",
                            "name": "fromIndex",
                            "description": "Start index of the search result to be returned."
                        },
                        {
                            "type": "integer",
                            "name": "toIndex",
                            "description": "End index of the search result to be returned."
                        }
                    ],
                    "name": "getSearchResults",
                    "experimental": true,
                    "description": "Returns search results from given `fromIndex` to given `toIndex` from the search with the given\nidentifier."
                },
                {
                    "redirect": "Overlay",
                    "name": "hideHighlight",
                    "description": "Hides any highlight."
                },
                {
                    "redirect": "Overlay",
                    "name": "highlightNode",
                    "description": "Highlights DOM node."
                },
                {
                    "redirect": "Overlay",
                    "name": "highlightRect",
                    "description": "Highlights given rectangle."
                },
                {
                    "name": "markUndoableState",
                    "experimental": true,
                    "description": "Marks last undoable state."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "New id of the moved node."
                        }
                    ],
                    "name": "moveTo",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to move."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "targetNodeId",
                            "description": "Id of the element to drop the moved node into."
                        },
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "insertBeforeNodeId",
                            "description": "Drop node before this one (if absent, the moved node becomes the last child of\n`targetNodeId`)."
                        }
                    ],
                    "description": "Moves node into the new container, places it before the given anchor."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "searchId",
                            "description": "Unique search session identifier."
                        },
                        {
                            "type": "integer",
                            "name": "resultCount",
                            "description": "Number of search results."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "name": "query",
                            "description": "Plain text or query selector or XPath search query."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "includeUserAgentShadowDOM",
                            "description": "True to search in user agent shadow DOM."
                        }
                    ],
                    "name": "performSearch",
                    "experimental": true,
                    "description": "Searches for a given string in the DOM tree. Use `getSearchResults` to access search results or\n`cancelSearch` to end this search session."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node for given path."
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "name": "path",
                            "description": "Path to node in the proprietary format."
                        }
                    ],
                    "name": "pushNodeByPathToFrontend",
                    "experimental": true,
                    "description": "Requests that the node is sent to the caller given its path. // FIXME, use XPath"
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "NodeId"
                            },
                            "type": "array",
                            "name": "nodeIds",
                            "description": "The array of ids of pushed nodes that correspond to the backend ids specified in\nbackendNodeIds."
                        }
                    ],
                    "parameters": [
                        {
                            "items": {
                                "$ref": "BackendNodeId"
                            },
                            "type": "array",
                            "name": "backendNodeIds",
                            "description": "The array of backend node ids."
                        }
                    ],
                    "name": "pushNodesByBackendIdsToFrontend",
                    "experimental": true,
                    "description": "Requests that a batch of nodes is sent to the caller given their backend node ids."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Query selector result."
                        }
                    ],
                    "name": "querySelector",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to query upon."
                        },
                        {
                            "type": "string",
                            "name": "selector",
                            "description": "Selector string."
                        }
                    ],
                    "description": "Executes `querySelector` on a given node."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "NodeId"
                            },
                            "type": "array",
                            "name": "nodeIds",
                            "description": "Query selector result."
                        }
                    ],
                    "name": "querySelectorAll",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to query upon."
                        },
                        {
                            "type": "string",
                            "name": "selector",
                            "description": "Selector string."
                        }
                    ],
                    "description": "Executes `querySelectorAll` on a given node."
                },
                {
                    "name": "redo",
                    "experimental": true,
                    "description": "Re-does the last undone action."
                },
                {
                    "name": "removeAttribute",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the element to remove attribute from."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Name of the attribute to remove."
                        }
                    ],
                    "description": "Removes attribute with given name from an element with given id."
                },
                {
                    "name": "removeNode",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to remove."
                        }
                    ],
                    "description": "Removes node with given id."
                },
                {
                    "name": "requestChildNodes",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to get children for."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "depth",
                            "description": "The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the\nentire subtree or provide an integer larger than 0."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "pierce",
                            "description": "Whether or not iframes and shadow roots should be traversed when returning the sub-tree\n(default is false)."
                        }
                    ],
                    "description": "Requests that children of the node with given id are returned to the caller in form of\n`setChildNodes` events where not only immediate children are retrieved, but all children down to\nthe specified depth."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Node id for given object."
                        }
                    ],
                    "name": "requestNode",
                    "parameters": [
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "name": "objectId",
                            "description": "JavaScript object id to convert into node."
                        }
                    ],
                    "description": "Requests that the node is sent to the caller given the JavaScript node object reference. All\nnodes that form the path from the node to the root are also sent to the client as a series of\n`setChildNodes` notifications."
                },
                {
                    "returns": [
                        {
                            "$ref": "Runtime.RemoteObject",
                            "name": "object",
                            "description": "JavaScript object wrapper for given node."
                        }
                    ],
                    "name": "resolveNode",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Id of the node to resolve."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Backend identifier of the node to resolve."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release multiple objects."
                        }
                    ],
                    "description": "Resolves the JavaScript node object for a given NodeId or BackendNodeId."
                },
                {
                    "name": "setAttributeValue",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the element to set attribute for."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Attribute name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Attribute value."
                        }
                    ],
                    "description": "Sets attribute for an element with given id."
                },
                {
                    "name": "setAttributesAsText",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the element to set attributes for."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Text with a number of attributes. Will parse this text using HTML parser."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "name",
                            "description": "Attribute name to replace with new attributes derived from text in case text parsed\nsuccessfully."
                        }
                    ],
                    "description": "Sets attributes on element with given id. This method is useful when user edits some existing\nattribute value and types in several attribute name/value pairs."
                },
                {
                    "name": "setFileInputFiles",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "files",
                            "description": "Array of file paths to set."
                        },
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node wrapper."
                        }
                    ],
                    "description": "Sets files for the given file input element."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "DOM node id to be accessible by means of $x command line API."
                        }
                    ],
                    "name": "setInspectedNode",
                    "experimental": true,
                    "description": "Enables console to refer to the node with given id via $x (see Command Line API for more details\n$x functions)."
                },
                {
                    "returns": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "New node's id."
                        }
                    ],
                    "name": "setNodeName",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to set name for."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "New node's name."
                        }
                    ],
                    "description": "Sets node name for a node with given id."
                },
                {
                    "name": "setNodeValue",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to set value for."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "New node's value."
                        }
                    ],
                    "description": "Sets node value for a node with given id."
                },
                {
                    "name": "setOuterHTML",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to set markup for."
                        },
                        {
                            "type": "string",
                            "name": "outerHTML",
                            "description": "Outer HTML markup to set."
                        }
                    ],
                    "description": "Sets node HTML markup, returns new node id."
                },
                {
                    "name": "undo",
                    "experimental": true,
                    "description": "Undoes the last performed action."
                },
                {
                    "returns": [
                        {
                            "name": "nodeId",
                            "$ref": "NodeId"
                        }
                    ],
                    "parameters": [
                        {
                            "name": "frameId",
                            "$ref": "Page.FrameId"
                        }
                    ],
                    "name": "getFrameOwner",
                    "experimental": true,
                    "description": "Returns iframe node that owns iframe with the given domain."
                }
            ],
            "description": "This domain exposes DOM read/write operations. Each DOM Node is represented with its mirror object\nthat has an `id`. This `id` can be used to get additional information on the Node, resolve it into\nthe JavaScript object wrapper, etc. It is important that client receives DOM events only for the\nnodes that are known to the client. Backend keeps track of the nodes that were sent to the client\nand never sends the same node twice. It is client's responsibility to collect information about\nthe nodes that were sent to the client.<p>Note that `iframe` owner elements will return\ncorresponding document elements as their child nodes.</p>",
            "domain": "DOM",
            "dependencies": [
                "Runtime"
            ],
            "events": [
                {
                    "name": "attributeModified",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node that has changed."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Attribute name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Attribute value."
                        }
                    ],
                    "description": "Fired when `Element`'s attribute is modified."
                },
                {
                    "name": "attributeRemoved",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node that has changed."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "A ttribute name."
                        }
                    ],
                    "description": "Fired when `Element`'s attribute is removed."
                },
                {
                    "name": "characterDataModified",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node that has changed."
                        },
                        {
                            "type": "string",
                            "name": "characterData",
                            "description": "New text value."
                        }
                    ],
                    "description": "Mirrors `DOMCharacterDataModified` event."
                },
                {
                    "name": "childNodeCountUpdated",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node that has changed."
                        },
                        {
                            "type": "integer",
                            "name": "childNodeCount",
                            "description": "New node count."
                        }
                    ],
                    "description": "Fired when `Container`'s child node count has changed."
                },
                {
                    "name": "childNodeInserted",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "parentNodeId",
                            "description": "Id of the node that has changed."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "previousNodeId",
                            "description": "If of the previous siblint."
                        },
                        {
                            "$ref": "Node",
                            "name": "node",
                            "description": "Inserted node data."
                        }
                    ],
                    "description": "Mirrors `DOMNodeInserted` event."
                },
                {
                    "name": "childNodeRemoved",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "parentNodeId",
                            "description": "Parent id."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Id of the node that has been removed."
                        }
                    ],
                    "description": "Mirrors `DOMNodeRemoved` event."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "insertionPointId",
                            "description": "Insertion point where distrubuted nodes were updated."
                        },
                        {
                            "items": {
                                "$ref": "BackendNode"
                            },
                            "type": "array",
                            "name": "distributedNodes",
                            "description": "Distributed nodes for given insertion point."
                        }
                    ],
                    "name": "distributedNodesUpdated",
                    "experimental": true,
                    "description": "Called when distrubution is changed."
                },
                {
                    "name": "documentUpdated",
                    "description": "Fired when `Document` has been totally updated. Node ids are no longer valid."
                },
                {
                    "parameters": [
                        {
                            "items": {
                                "$ref": "NodeId"
                            },
                            "type": "array",
                            "name": "nodeIds",
                            "description": "Ids of the nodes for which the inline styles have been invalidated."
                        }
                    ],
                    "name": "inlineStyleInvalidated",
                    "experimental": true,
                    "description": "Fired when `Element`'s inline style is modified via a CSS property modification."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "parentId",
                            "description": "Pseudo element's parent element id."
                        },
                        {
                            "$ref": "Node",
                            "name": "pseudoElement",
                            "description": "The added pseudo element."
                        }
                    ],
                    "name": "pseudoElementAdded",
                    "experimental": true,
                    "description": "Called when a pseudo element is added to an element."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "parentId",
                            "description": "Pseudo element's parent element id."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "pseudoElementId",
                            "description": "The removed pseudo element id."
                        }
                    ],
                    "name": "pseudoElementRemoved",
                    "experimental": true,
                    "description": "Called when a pseudo element is removed from an element."
                },
                {
                    "name": "setChildNodes",
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "parentId",
                            "description": "Parent node id to populate with children."
                        },
                        {
                            "items": {
                                "$ref": "Node"
                            },
                            "type": "array",
                            "name": "nodes",
                            "description": "Child nodes array."
                        }
                    ],
                    "description": "Fired when backend wants to provide client with the missing DOM structure. This happens upon\nmost of the calls requesting node ids."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "hostId",
                            "description": "Host element id."
                        },
                        {
                            "$ref": "NodeId",
                            "name": "rootId",
                            "description": "Shadow root id."
                        }
                    ],
                    "name": "shadowRootPopped",
                    "experimental": true,
                    "description": "Called when shadow root is popped from the element."
                },
                {
                    "parameters": [
                        {
                            "$ref": "NodeId",
                            "name": "hostId",
                            "description": "Host element id."
                        },
                        {
                            "$ref": "Node",
                            "name": "root",
                            "description": "Shadow root."
                        }
                    ],
                    "name": "shadowRootPushed",
                    "experimental": true,
                    "description": "Called when shadow root is pushed into the element."
                }
            ],
            "types": [
                {
                    "type": "integer",
                    "id": "NodeId",
                    "description": "Unique DOM node identifier."
                },
                {
                    "type": "integer",
                    "id": "BackendNodeId",
                    "description": "Unique DOM node identifier used to reference a node that may not have been pushed to the\nfront-end."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "nodeType",
                            "description": "`Node`'s nodeType."
                        },
                        {
                            "type": "string",
                            "name": "nodeName",
                            "description": "`Node`'s nodeName."
                        },
                        {
                            "name": "backendNodeId",
                            "$ref": "BackendNodeId"
                        }
                    ],
                    "type": "object",
                    "id": "BackendNode",
                    "description": "Backend node with a friendly name."
                },
                {
                    "enum": [
                        "first-line",
                        "first-letter",
                        "before",
                        "after",
                        "backdrop",
                        "selection",
                        "first-line-inherited",
                        "scrollbar",
                        "scrollbar-thumb",
                        "scrollbar-button",
                        "scrollbar-track",
                        "scrollbar-track-piece",
                        "scrollbar-corner",
                        "resizer",
                        "input-list-button"
                    ],
                    "type": "string",
                    "id": "PseudoType",
                    "description": "Pseudo element type."
                },
                {
                    "enum": [
                        "user-agent",
                        "open",
                        "closed"
                    ],
                    "type": "string",
                    "id": "ShadowRootType",
                    "description": "Shadow root type."
                },
                {
                    "properties": [
                        {
                            "$ref": "NodeId",
                            "name": "nodeId",
                            "description": "Node identifier that is passed into the rest of the DOM messages as the `nodeId`. Backend\nwill only push node with given `id` once. It is aware of all requested nodes and will only\nfire DOM events for nodes known to the client."
                        },
                        {
                            "$ref": "NodeId",
                            "optional": true,
                            "name": "parentId",
                            "description": "The id of the parent node if any."
                        },
                        {
                            "$ref": "BackendNodeId",
                            "name": "backendNodeId",
                            "description": "The BackendNodeId for this node."
                        },
                        {
                            "type": "integer",
                            "name": "nodeType",
                            "description": "`Node`'s nodeType."
                        },
                        {
                            "type": "string",
                            "name": "nodeName",
                            "description": "`Node`'s nodeName."
                        },
                        {
                            "type": "string",
                            "name": "localName",
                            "description": "`Node`'s localName."
                        },
                        {
                            "type": "string",
                            "name": "nodeValue",
                            "description": "`Node`'s nodeValue."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "childNodeCount",
                            "description": "Child count for `Container` nodes."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Node"
                            },
                            "optional": true,
                            "name": "children",
                            "description": "Child nodes of this node when requested with children."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "attributes",
                            "description": "Attributes of the `Element` node in the form of flat array `[name1, value1, name2, value2]`."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "documentURL",
                            "description": "Document URL that `Document` or `FrameOwner` node points to."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "baseURL",
                            "description": "Base URL that `Document` or `FrameOwner` node uses for URL completion."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "publicId",
                            "description": "`DocumentType`'s publicId."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "systemId",
                            "description": "`DocumentType`'s systemId."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "internalSubset",
                            "description": "`DocumentType`'s internalSubset."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "xmlVersion",
                            "description": "`Document`'s XML version in case of XML documents."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "name",
                            "description": "`Attr`'s name."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "value",
                            "description": "`Attr`'s value."
                        },
                        {
                            "$ref": "PseudoType",
                            "optional": true,
                            "name": "pseudoType",
                            "description": "Pseudo element type for this node."
                        },
                        {
                            "$ref": "ShadowRootType",
                            "optional": true,
                            "name": "shadowRootType",
                            "description": "Shadow root type."
                        },
                        {
                            "$ref": "Page.FrameId",
                            "optional": true,
                            "name": "frameId",
                            "description": "Frame ID for frame owner elements."
                        },
                        {
                            "$ref": "Node",
                            "optional": true,
                            "name": "contentDocument",
                            "description": "Content document for frame owner elements."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Node"
                            },
                            "optional": true,
                            "name": "shadowRoots",
                            "description": "Shadow root list for given element host."
                        },
                        {
                            "$ref": "Node",
                            "optional": true,
                            "name": "templateContent",
                            "description": "Content document fragment for template elements."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Node"
                            },
                            "optional": true,
                            "name": "pseudoElements",
                            "description": "Pseudo elements associated with this node."
                        },
                        {
                            "$ref": "Node",
                            "optional": true,
                            "name": "importedDocument",
                            "description": "Import document for the HTMLImport links."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "BackendNode"
                            },
                            "optional": true,
                            "name": "distributedNodes",
                            "description": "Distributed nodes for given insertion point."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isSVG",
                            "description": "Whether the node is SVG."
                        }
                    ],
                    "type": "object",
                    "id": "Node",
                    "description": "DOM interaction is implemented in terms of mirror objects that represent the actual DOM nodes.\nDOMNode is a base node mirror type."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "r",
                            "description": "The red component, in the [0-255] range."
                        },
                        {
                            "type": "integer",
                            "name": "g",
                            "description": "The green component, in the [0-255] range."
                        },
                        {
                            "type": "integer",
                            "name": "b",
                            "description": "The blue component, in the [0-255] range."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "a",
                            "description": "The alpha component, in the [0-1] range (default: 1)."
                        }
                    ],
                    "type": "object",
                    "id": "RGBA",
                    "description": "A structure holding an RGBA color."
                },
                {
                    "items": {
                        "type": "number"
                    },
                    "type": "array",
                    "id": "Quad",
                    "description": "An array of quad vertices, x immediately followed by y for each point, points clock-wise."
                },
                {
                    "properties": [
                        {
                            "$ref": "Quad",
                            "name": "content",
                            "description": "Content box"
                        },
                        {
                            "$ref": "Quad",
                            "name": "padding",
                            "description": "Padding box"
                        },
                        {
                            "$ref": "Quad",
                            "name": "border",
                            "description": "Border box"
                        },
                        {
                            "$ref": "Quad",
                            "name": "margin",
                            "description": "Margin box"
                        },
                        {
                            "type": "integer",
                            "name": "width",
                            "description": "Node width"
                        },
                        {
                            "type": "integer",
                            "name": "height",
                            "description": "Node height"
                        },
                        {
                            "$ref": "ShapeOutsideInfo",
                            "optional": true,
                            "name": "shapeOutside",
                            "description": "Shape outside coordinates"
                        }
                    ],
                    "type": "object",
                    "id": "BoxModel",
                    "description": "Box model."
                },
                {
                    "properties": [
                        {
                            "$ref": "Quad",
                            "name": "bounds",
                            "description": "Shape bounds"
                        },
                        {
                            "items": {
                                "type": "any"
                            },
                            "type": "array",
                            "name": "shape",
                            "description": "Shape coordinate details"
                        },
                        {
                            "items": {
                                "type": "any"
                            },
                            "type": "array",
                            "name": "marginShape",
                            "description": "Margin shape bounds"
                        }
                    ],
                    "type": "object",
                    "id": "ShapeOutsideInfo",
                    "description": "CSS Shape Outside details."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate"
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate"
                        },
                        {
                            "type": "number",
                            "name": "width",
                            "description": "Rectangle width"
                        },
                        {
                            "type": "number",
                            "name": "height",
                            "description": "Rectangle height"
                        }
                    ],
                    "type": "object",
                    "id": "Rect",
                    "description": "Rectangle."
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "EventListener"
                            },
                            "type": "array",
                            "name": "listeners",
                            "description": "Array of relevant listeners."
                        }
                    ],
                    "name": "getEventListeners",
                    "parameters": [
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "name": "objectId",
                            "description": "Identifier of the object to return listeners for."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "depth",
                            "description": "The maximum depth at which Node children should be retrieved, defaults to 1. Use -1 for the\nentire subtree or provide an integer larger than 0."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "pierce",
                            "description": "Whether or not iframes and shadow roots should be traversed when returning the subtree\n(default is false). Reports listeners for all contexts if pierce is enabled."
                        }
                    ],
                    "description": "Returns event listeners of the given object."
                },
                {
                    "name": "removeDOMBreakpoint",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "Identifier of the node to remove breakpoint from."
                        },
                        {
                            "$ref": "DOMBreakpointType",
                            "name": "type",
                            "description": "Type of the breakpoint to remove."
                        }
                    ],
                    "description": "Removes DOM breakpoint that was set using `setDOMBreakpoint`."
                },
                {
                    "name": "removeEventListenerBreakpoint",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "eventName",
                            "description": "Event name."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "targetName",
                            "experimental": true,
                            "description": "EventTarget interface name."
                        }
                    ],
                    "description": "Removes breakpoint on particular DOM event."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "name": "eventName",
                            "description": "Instrumentation name to stop on."
                        }
                    ],
                    "name": "removeInstrumentationBreakpoint",
                    "experimental": true,
                    "description": "Removes breakpoint on particular native event."
                },
                {
                    "name": "removeXHRBreakpoint",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Resource URL substring."
                        }
                    ],
                    "description": "Removes breakpoint from XMLHttpRequest."
                },
                {
                    "name": "setDOMBreakpoint",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "Identifier of the node to set breakpoint on."
                        },
                        {
                            "$ref": "DOMBreakpointType",
                            "name": "type",
                            "description": "Type of the operation to stop upon."
                        }
                    ],
                    "description": "Sets breakpoint on particular operation with DOM."
                },
                {
                    "name": "setEventListenerBreakpoint",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "eventName",
                            "description": "DOM Event name to stop on (any DOM event will do)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "targetName",
                            "experimental": true,
                            "description": "EventTarget interface name to stop on. If equal to `\"*\"` or not provided, will stop on any\nEventTarget."
                        }
                    ],
                    "description": "Sets breakpoint on particular DOM event."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "name": "eventName",
                            "description": "Instrumentation name to stop on."
                        }
                    ],
                    "name": "setInstrumentationBreakpoint",
                    "experimental": true,
                    "description": "Sets breakpoint on particular native event."
                },
                {
                    "name": "setXHRBreakpoint",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Resource URL substring. All XHRs having this substring in the URL will get stopped upon."
                        }
                    ],
                    "description": "Sets breakpoint on XMLHttpRequest."
                }
            ],
            "domain": "DOMDebugger",
            "dependencies": [
                "DOM",
                "Debugger"
            ],
            "description": "DOM debugging allows setting breakpoints on particular DOM operations and events. JavaScript\nexecution will stop on these operations as if there was a regular breakpoint set.",
            "types": [
                {
                    "enum": [
                        "subtree-modified",
                        "attribute-modified",
                        "node-removed"
                    ],
                    "type": "string",
                    "id": "DOMBreakpointType",
                    "description": "DOM breakpoint type."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "type",
                            "description": "`EventListener`'s type."
                        },
                        {
                            "type": "boolean",
                            "name": "useCapture",
                            "description": "`EventListener`'s useCapture."
                        },
                        {
                            "type": "boolean",
                            "name": "passive",
                            "description": "`EventListener`'s passive flag."
                        },
                        {
                            "type": "boolean",
                            "name": "once",
                            "description": "`EventListener`'s once flag."
                        },
                        {
                            "$ref": "Runtime.ScriptId",
                            "name": "scriptId",
                            "description": "Script id of the handler code."
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "Line number in the script (0-based)."
                        },
                        {
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "Column number in the script (0-based)."
                        },
                        {
                            "$ref": "Runtime.RemoteObject",
                            "optional": true,
                            "name": "handler",
                            "description": "Event handler function value."
                        },
                        {
                            "$ref": "Runtime.RemoteObject",
                            "optional": true,
                            "name": "originalHandler",
                            "description": "Event original handler function value."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Node the listener is added to (if any)."
                        }
                    ],
                    "type": "object",
                    "id": "EventListener",
                    "description": "Object event listener."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables DOM snapshot agent for the given page."
                },
                {
                    "name": "enable",
                    "description": "Enables DOM snapshot agent for the given page."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "DOMNode"
                            },
                            "type": "array",
                            "name": "domNodes",
                            "description": "The nodes in the DOM tree. The DOMNode at index 0 corresponds to the root document."
                        },
                        {
                            "items": {
                                "$ref": "LayoutTreeNode"
                            },
                            "type": "array",
                            "name": "layoutTreeNodes",
                            "description": "The nodes in the layout tree."
                        },
                        {
                            "items": {
                                "$ref": "ComputedStyle"
                            },
                            "type": "array",
                            "name": "computedStyles",
                            "description": "Whitelisted ComputedStyle properties for each node in the layout tree."
                        }
                    ],
                    "name": "getSnapshot",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "computedStyleWhitelist",
                            "description": "Whitelist of computed styles to return."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "includeEventListeners",
                            "description": "Whether or not to retrieve details of DOM listeners (default false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "includePaintOrder",
                            "description": "Whether to determine and include the paint order index of LayoutTreeNodes (default false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "includeUserAgentShadowTree",
                            "description": "Whether to include UA shadow tree in the snapshot (default false)."
                        }
                    ],
                    "description": "Returns a document snapshot, including the full DOM tree of the root node (including iframes,\ntemplate contents, and imported documents) in a flattened array, as well as layout and\nwhite-listed computed style information for the nodes. Shadow DOM in the returned DOM tree is\nflattened."
                }
            ],
            "description": "This domain facilitates obtaining document snapshots with DOM, layout, and style information.",
            "domain": "DOMSnapshot",
            "dependencies": [
                "CSS",
                "DOM",
                "DOMDebugger",
                "Page"
            ],
            "experimental": true,
            "types": [
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "nodeType",
                            "description": "`Node`'s nodeType."
                        },
                        {
                            "type": "string",
                            "name": "nodeName",
                            "description": "`Node`'s nodeName."
                        },
                        {
                            "type": "string",
                            "name": "nodeValue",
                            "description": "`Node`'s nodeValue."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "textValue",
                            "description": "Only set for textarea elements, contains the text value."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "inputValue",
                            "description": "Only set for input elements, contains the input's associated text value."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "inputChecked",
                            "description": "Only set for radio and checkbox input elements, indicates if the element has been checked"
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "optionSelected",
                            "description": "Only set for option elements, indicates if the element has been selected"
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "name": "backendNodeId",
                            "description": "`Node`'s id, corresponds to DOM.Node.backendNodeId."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "integer"
                            },
                            "optional": true,
                            "name": "childNodeIndexes",
                            "description": "The indexes of the node's child nodes in the `domNodes` array returned by `getSnapshot`, if\nany."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "NameValue"
                            },
                            "optional": true,
                            "name": "attributes",
                            "description": "Attributes of an `Element` node."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "integer"
                            },
                            "optional": true,
                            "name": "pseudoElementIndexes",
                            "description": "Indexes of pseudo elements associated with this node in the `domNodes` array returned by\n`getSnapshot`, if any."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "layoutNodeIndex",
                            "description": "The index of the node's related layout tree node in the `layoutTreeNodes` array returned by\n`getSnapshot`, if any."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "documentURL",
                            "description": "Document URL that `Document` or `FrameOwner` node points to."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "baseURL",
                            "description": "Base URL that `Document` or `FrameOwner` node uses for URL completion."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "contentLanguage",
                            "description": "Only set for documents, contains the document's content language."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "documentEncoding",
                            "description": "Only set for documents, contains the document's character set encoding."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "publicId",
                            "description": "`DocumentType` node's publicId."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "systemId",
                            "description": "`DocumentType` node's systemId."
                        },
                        {
                            "$ref": "Page.FrameId",
                            "optional": true,
                            "name": "frameId",
                            "description": "Frame ID for frame owner elements and also for the document node."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "contentDocumentIndex",
                            "description": "The index of a frame owner element's content document in the `domNodes` array returned by\n`getSnapshot`, if any."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "importedDocumentIndex",
                            "description": "Index of the imported document's node of a link element in the `domNodes` array returned by\n`getSnapshot`, if any."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "templateContentIndex",
                            "description": "Index of the content node of a template element in the `domNodes` array returned by\n`getSnapshot`."
                        },
                        {
                            "$ref": "DOM.PseudoType",
                            "optional": true,
                            "name": "pseudoType",
                            "description": "Type of a pseudo element node."
                        },
                        {
                            "$ref": "DOM.ShadowRootType",
                            "optional": true,
                            "name": "shadowRootType",
                            "description": "Shadow root type."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isClickable",
                            "description": "Whether this DOM node responds to mouse clicks. This includes nodes that have had click\nevent listeners attached via JavaScript as well as anchor tags that naturally navigate when\nclicked."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "DOMDebugger.EventListener"
                            },
                            "optional": true,
                            "name": "eventListeners",
                            "description": "Details of the node's event listeners, if any."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "currentSourceURL",
                            "description": "The selected url for nodes with a srcset attribute."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "originURL",
                            "description": "The url of the script (if any) that generates this node."
                        }
                    ],
                    "type": "object",
                    "id": "DOMNode",
                    "description": "A Node in the DOM tree."
                },
                {
                    "properties": [
                        {
                            "$ref": "DOM.Rect",
                            "name": "boundingBox",
                            "description": "The absolute position bounding box."
                        },
                        {
                            "type": "integer",
                            "name": "startCharacterIndex",
                            "description": "The starting index in characters, for this post layout textbox substring. Characters that\nwould be represented as a surrogate pair in UTF-16 have length 2."
                        },
                        {
                            "type": "integer",
                            "name": "numCharacters",
                            "description": "The number of characters in this post layout textbox substring. Characters that would be\nrepresented as a surrogate pair in UTF-16 have length 2."
                        }
                    ],
                    "type": "object",
                    "id": "InlineTextBox",
                    "description": "Details of post layout rendered text positions. The exact layout should not be regarded as\nstable and may change between versions."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "domNodeIndex",
                            "description": "The index of the related DOM node in the `domNodes` array returned by `getSnapshot`."
                        },
                        {
                            "$ref": "DOM.Rect",
                            "name": "boundingBox",
                            "description": "The absolute position bounding box."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "layoutText",
                            "description": "Contents of the LayoutText, if any."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "InlineTextBox"
                            },
                            "optional": true,
                            "name": "inlineTextNodes",
                            "description": "The post-layout inline text nodes, if any."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "styleIndex",
                            "description": "Index into the `computedStyles` array returned by `getSnapshot`."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "paintOrder",
                            "description": "Global paint order index, which is determined by the stacking order of the nodes. Nodes\nthat are painted together will have the same index. Only provided if includePaintOrder in\ngetSnapshot was true."
                        }
                    ],
                    "type": "object",
                    "id": "LayoutTreeNode",
                    "description": "Details of an element in the DOM tree with a LayoutObject."
                },
                {
                    "properties": [
                        {
                            "items": {
                                "$ref": "NameValue"
                            },
                            "type": "array",
                            "name": "properties",
                            "description": "Name/value pairs of computed style properties."
                        }
                    ],
                    "type": "object",
                    "id": "ComputedStyle",
                    "description": "A subset of the full ComputedStyle as defined by the request whitelist."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Attribute/property name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Attribute/property value."
                        }
                    ],
                    "type": "object",
                    "id": "NameValue",
                    "description": "A name/value pair."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "clear",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        }
                    ]
                },
                {
                    "name": "disable",
                    "description": "Disables storage tracking, prevents storage events from being sent to the client."
                },
                {
                    "name": "enable",
                    "description": "Enables storage tracking, storage events will now be delivered to the client."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Item"
                            },
                            "type": "array",
                            "name": "entries"
                        }
                    ],
                    "name": "getDOMStorageItems",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        }
                    ]
                },
                {
                    "name": "removeDOMStorageItem",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        },
                        {
                            "type": "string",
                            "name": "key"
                        }
                    ]
                },
                {
                    "name": "setDOMStorageItem",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        },
                        {
                            "type": "string",
                            "name": "key"
                        },
                        {
                            "type": "string",
                            "name": "value"
                        }
                    ]
                }
            ],
            "description": "Query and modify DOM storage.",
            "domain": "DOMStorage",
            "experimental": true,
            "events": [
                {
                    "name": "domStorageItemAdded",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        },
                        {
                            "type": "string",
                            "name": "key"
                        },
                        {
                            "type": "string",
                            "name": "newValue"
                        }
                    ]
                },
                {
                    "name": "domStorageItemRemoved",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        },
                        {
                            "type": "string",
                            "name": "key"
                        }
                    ]
                },
                {
                    "name": "domStorageItemUpdated",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        },
                        {
                            "type": "string",
                            "name": "key"
                        },
                        {
                            "type": "string",
                            "name": "oldValue"
                        },
                        {
                            "type": "string",
                            "name": "newValue"
                        }
                    ]
                },
                {
                    "name": "domStorageItemsCleared",
                    "parameters": [
                        {
                            "name": "storageId",
                            "$ref": "StorageId"
                        }
                    ]
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin for the storage."
                        },
                        {
                            "type": "boolean",
                            "name": "isLocalStorage",
                            "description": "Whether the storage is local storage (not session storage)."
                        }
                    ],
                    "type": "object",
                    "id": "StorageId",
                    "description": "DOM Storage identifier."
                },
                {
                    "items": {
                        "type": "string"
                    },
                    "type": "array",
                    "id": "Item",
                    "description": "DOM Storage item."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables database tracking, prevents database events from being sent to the client."
                },
                {
                    "name": "enable",
                    "description": "Enables database tracking, database events will now be delivered to the client."
                },
                {
                    "returns": [
                        {
                            "type": "array",
                            "optional": true,
                            "name": "columnNames",
                            "items": {
                                "type": "string"
                            }
                        },
                        {
                            "type": "array",
                            "optional": true,
                            "name": "values",
                            "items": {
                                "type": "any"
                            }
                        },
                        {
                            "optional": true,
                            "name": "sqlError",
                            "$ref": "Error"
                        }
                    ],
                    "name": "executeSQL",
                    "parameters": [
                        {
                            "name": "databaseId",
                            "$ref": "DatabaseId"
                        },
                        {
                            "type": "string",
                            "name": "query"
                        }
                    ]
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "tableNames"
                        }
                    ],
                    "name": "getDatabaseTableNames",
                    "parameters": [
                        {
                            "name": "databaseId",
                            "$ref": "DatabaseId"
                        }
                    ]
                }
            ],
            "domain": "Database",
            "types": [
                {
                    "type": "string",
                    "id": "DatabaseId",
                    "description": "Unique identifier of Database object."
                },
                {
                    "properties": [
                        {
                            "$ref": "DatabaseId",
                            "name": "id",
                            "description": "Database ID."
                        },
                        {
                            "type": "string",
                            "name": "domain",
                            "description": "Database domain."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Database name."
                        },
                        {
                            "type": "string",
                            "name": "version",
                            "description": "Database version."
                        }
                    ],
                    "type": "object",
                    "id": "Database",
                    "description": "Database object."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "message",
                            "description": "Error message."
                        },
                        {
                            "type": "integer",
                            "name": "code",
                            "description": "Error code."
                        }
                    ],
                    "type": "object",
                    "id": "Error",
                    "description": "Database error."
                }
            ],
            "experimental": true,
            "events": [
                {
                    "name": "addDatabase",
                    "parameters": [
                        {
                            "name": "database",
                            "$ref": "Database"
                        }
                    ]
                }
            ]
        },
        {
            "domain": "DeviceOrientation",
            "commands": [
                {
                    "name": "clearDeviceOrientationOverride",
                    "description": "Clears the overridden Device Orientation."
                },
                {
                    "name": "setDeviceOrientationOverride",
                    "parameters": [
                        {
                            "type": "number",
                            "name": "alpha",
                            "description": "Mock alpha"
                        },
                        {
                            "type": "number",
                            "name": "beta",
                            "description": "Mock beta"
                        },
                        {
                            "type": "number",
                            "name": "gamma",
                            "description": "Mock gamma"
                        }
                    ],
                    "description": "Overrides the Device Orientation."
                }
            ],
            "experimental": true
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "True if emulation is supported."
                        }
                    ],
                    "name": "canEmulate",
                    "description": "Tells whether emulation is supported."
                },
                {
                    "name": "clearDeviceMetricsOverride",
                    "description": "Clears the overriden device metrics."
                },
                {
                    "name": "clearGeolocationOverride",
                    "description": "Clears the overriden Geolocation Position and Error."
                },
                {
                    "name": "resetPageScaleFactor",
                    "experimental": true,
                    "description": "Requests that page scale factor is reset to initial values."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "rate",
                            "description": "Throttling rate as a slowdown factor (1 is no throttle, 2 is 2x slowdown, etc)."
                        }
                    ],
                    "name": "setCPUThrottlingRate",
                    "experimental": true,
                    "description": "Enables CPU throttling to emulate slow CPUs."
                },
                {
                    "name": "setDefaultBackgroundColorOverride",
                    "parameters": [
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "color",
                            "description": "RGBA of the default background color. If not specified, any existing override will be\ncleared."
                        }
                    ],
                    "description": "Sets or clears an override of the default background color of the frame. This override is used\nif the content does not specify one."
                },
                {
                    "name": "setDeviceMetricsOverride",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "width",
                            "description": "Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override."
                        },
                        {
                            "type": "integer",
                            "name": "height",
                            "description": "Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override."
                        },
                        {
                            "type": "number",
                            "name": "deviceScaleFactor",
                            "description": "Overriding device scale factor value. 0 disables the override."
                        },
                        {
                            "type": "boolean",
                            "name": "mobile",
                            "description": "Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text\nautosizing and more."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scale",
                            "experimental": true,
                            "description": "Scale to apply to resulting view image."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "screenWidth",
                            "experimental": true,
                            "description": "Overriding screen width value in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "screenHeight",
                            "experimental": true,
                            "description": "Overriding screen height value in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "positionX",
                            "experimental": true,
                            "description": "Overriding view X position on screen in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "positionY",
                            "experimental": true,
                            "description": "Overriding view Y position on screen in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "dontSetVisibleSize",
                            "experimental": true,
                            "description": "Do not set visible view size, rely upon explicit setVisibleSize call."
                        },
                        {
                            "$ref": "ScreenOrientation",
                            "optional": true,
                            "name": "screenOrientation",
                            "description": "Screen orientation override."
                        },
                        {
                            "$ref": "Page.Viewport",
                            "optional": true,
                            "name": "viewport",
                            "experimental": true,
                            "description": "If set, the visible area of the page will be overridden to this viewport. This viewport\nchange is not observed by the page, e.g. viewport-relative elements do not change positions."
                        }
                    ],
                    "description": "Overrides the values of device screen dimensions (window.screen.width, window.screen.height,\nwindow.innerWidth, window.innerHeight, and \"device-width\"/\"device-height\"-related CSS media\nquery results)."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "Whether touch emulation based on mouse input should be enabled."
                        },
                        {
                            "type": "string",
                            "enum": [
                                "mobile",
                                "desktop"
                            ],
                            "optional": true,
                            "name": "configuration",
                            "description": "Touch/gesture events configuration. Default: current platform."
                        }
                    ],
                    "name": "setEmitTouchEventsForMouse",
                    "experimental": true
                },
                {
                    "name": "setEmulatedMedia",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "media",
                            "description": "Media type to emulate. Empty string disables the override."
                        }
                    ],
                    "description": "Emulates the given media for CSS media queries."
                },
                {
                    "name": "setGeolocationOverride",
                    "parameters": [
                        {
                            "type": "number",
                            "optional": true,
                            "name": "latitude",
                            "description": "Mock latitude"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "longitude",
                            "description": "Mock longitude"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "accuracy",
                            "description": "Mock accuracy"
                        }
                    ],
                    "description": "Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position\nunavailable."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "name": "platform",
                            "description": "The platform navigator.platform should return."
                        }
                    ],
                    "name": "setNavigatorOverrides",
                    "experimental": true,
                    "description": "Overrides value returned by the javascript navigator object."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "pageScaleFactor",
                            "description": "Page scale factor."
                        }
                    ],
                    "name": "setPageScaleFactor",
                    "experimental": true,
                    "description": "Sets a specified page scale factor."
                },
                {
                    "name": "setScriptExecutionDisabled",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "value",
                            "description": "Whether script execution should be disabled in the page."
                        }
                    ],
                    "description": "Switches script execution in the page."
                },
                {
                    "name": "setTouchEmulationEnabled",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "Whether the touch event emulation should be enabled."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxTouchPoints",
                            "description": "Maximum touch points supported. Defaults to one."
                        }
                    ],
                    "description": "Enables touch on platforms which do not support them."
                },
                {
                    "returns": [
                        {
                            "type": "number",
                            "name": "virtualTimeTicksBase",
                            "description": "Absolute timestamp at which virtual time was first enabled (up time in milliseconds)."
                        }
                    ],
                    "parameters": [
                        {
                            "name": "policy",
                            "$ref": "VirtualTimePolicy"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "budget",
                            "description": "If set, after this many virtual milliseconds have elapsed virtual time will be paused and a\nvirtualTimeBudgetExpired event is sent."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxVirtualTimeTaskStarvationCount",
                            "description": "If set this specifies the maximum number of tasks that can be run before virtual is forced\nforwards to prevent deadlock."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "waitForNavigation",
                            "description": "If set the virtual time policy change should be deferred until any frame starts navigating.\nNote any previous deferred policy change is superseded."
                        },
                        {
                            "$ref": "Network.TimeSinceEpoch",
                            "optional": true,
                            "name": "initialVirtualTime",
                            "description": "If set, base::Time::Now will be overriden to initially return this value."
                        }
                    ],
                    "name": "setVirtualTimePolicy",
                    "experimental": true,
                    "description": "Turns on virtual time for all frames (replacing real-time with a synthetic time source) and sets\nthe current virtual time policy.  Note this supersedes any previous time budget."
                },
                {
                    "deprecated": true,
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "width",
                            "description": "Frame width (DIP)."
                        },
                        {
                            "type": "integer",
                            "name": "height",
                            "description": "Frame height (DIP)."
                        }
                    ],
                    "name": "setVisibleSize",
                    "experimental": true,
                    "description": "Resizes the frame/viewport of the page. Note that this does not affect the frame's container\n(e.g. browser window). Can be used to produce screenshots of the specified size. Not supported\non Android."
                }
            ],
            "description": "This domain emulates different environments for the page.",
            "domain": "Emulation",
            "dependencies": [
                "DOM",
                "Page",
                "Runtime"
            ],
            "events": [
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "virtualTimeElapsed",
                            "description": "The amount of virtual time that has elapsed in milliseconds since virtual time was first\nenabled."
                        }
                    ],
                    "name": "virtualTimeAdvanced",
                    "experimental": true,
                    "description": "Notification sent after the virtual time has advanced."
                },
                {
                    "name": "virtualTimeBudgetExpired",
                    "experimental": true,
                    "description": "Notification sent after the virtual time budget for the current VirtualTimePolicy has run out."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "virtualTimeElapsed",
                            "description": "The amount of virtual time that has elapsed in milliseconds since virtual time was first\nenabled."
                        }
                    ],
                    "name": "virtualTimePaused",
                    "experimental": true,
                    "description": "Notification sent after the virtual time has paused."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "enum": [
                                "portraitPrimary",
                                "portraitSecondary",
                                "landscapePrimary",
                                "landscapeSecondary"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Orientation type."
                        },
                        {
                            "type": "integer",
                            "name": "angle",
                            "description": "Orientation angle."
                        }
                    ],
                    "type": "object",
                    "id": "ScreenOrientation",
                    "description": "Screen orientation."
                },
                {
                    "enum": [
                        "advance",
                        "pause",
                        "pauseIfNetworkFetchesPending"
                    ],
                    "type": "string",
                    "id": "VirtualTimePolicy",
                    "experimental": true,
                    "description": "advance: If the scheduler runs out of immediate work, the virtual time base may fast forward to\nallow the next delayed task (if any) to run; pause: The virtual time base may not advance;\npauseIfNetworkFetchesPending: The virtual time base may not advance if there are any pending\nresource fetches."
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "hasDamage",
                            "description": "Whether the BeginFrame resulted in damage and, thus, a new frame was committed to the\ndisplay. Reported for diagnostic uses, may be removed in the future."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "screenshotData",
                            "description": "Base64-encoded image data of the screenshot, if one was requested and successfully taken."
                        }
                    ],
                    "name": "beginFrame",
                    "parameters": [
                        {
                            "type": "number",
                            "optional": true,
                            "name": "frameTimeTicks",
                            "description": "Timestamp of this BeginFrame in Renderer TimeTicks (milliseconds of uptime). If not set,\nthe current time will be used."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "interval",
                            "description": "The interval between BeginFrames that is reported to the compositor, in milliseconds.\nDefaults to a 60 frames/second interval, i.e. about 16.666 milliseconds."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "noDisplayUpdates",
                            "description": "Whether updates should not be committed and drawn onto the display. False by default. If\ntrue, only side effects of the BeginFrame will be run, such as layout and animations, but\nany visual updates may not be visible on the display or in screenshots."
                        },
                        {
                            "$ref": "ScreenshotParams",
                            "optional": true,
                            "name": "screenshot",
                            "description": "If set, a screenshot of the frame will be captured and returned in the response. Otherwise,\nno screenshot will be captured. Note that capturing a screenshot can fail, for example,\nduring renderer initialization. In such a case, no screenshot data will be returned."
                        }
                    ],
                    "description": "Sends a BeginFrame to the target and returns when the frame was completed. Optionally captures a\nscreenshot from the resulting frame. Requires that the target was created with enabled\nBeginFrameControl. Designed for use with --run-all-compositor-stages-before-draw, see also\nhttps://goo.gl/3zHXhB for more background."
                },
                {
                    "name": "disable",
                    "description": "Disables headless events for the target."
                },
                {
                    "name": "enable",
                    "description": "Enables headless events for the target."
                }
            ],
            "description": "This domain provides experimental commands only supported in headless mode.",
            "domain": "HeadlessExperimental",
            "dependencies": [
                "Page",
                "Runtime"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "needsBeginFramesChanged",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "needsBeginFrames",
                            "description": "True if BeginFrames are needed, false otherwise."
                        }
                    ],
                    "description": "Issued when the target starts or stops needing BeginFrames."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "enum": [
                                "jpeg",
                                "png"
                            ],
                            "optional": true,
                            "name": "format",
                            "description": "Image compression format (defaults to png)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "quality",
                            "description": "Compression quality from range [0..100] (jpeg only)."
                        }
                    ],
                    "type": "object",
                    "id": "ScreenshotParams",
                    "description": "Encoding options for a screenshot."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "close",
                    "parameters": [
                        {
                            "$ref": "StreamHandle",
                            "name": "handle",
                            "description": "Handle of the stream to close."
                        }
                    ],
                    "description": "Close the stream, discard any temporary backing storage."
                },
                {
                    "returns": [
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "base64Encoded",
                            "description": "Set if the data is base64-encoded"
                        },
                        {
                            "type": "string",
                            "name": "data",
                            "description": "Data that were read."
                        },
                        {
                            "type": "boolean",
                            "name": "eof",
                            "description": "Set if the end-of-file condition occured while reading."
                        }
                    ],
                    "name": "read",
                    "parameters": [
                        {
                            "$ref": "StreamHandle",
                            "name": "handle",
                            "description": "Handle of the stream to read."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "offset",
                            "description": "Seek to the specified offset before reading (if not specificed, proceed with offset\nfollowing the last read). Some types of streams may only support sequential reads."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "size",
                            "description": "Maximum number of bytes to read (left upon the agent discretion if not specified)."
                        }
                    ],
                    "description": "Read a chunk of the stream"
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "uuid",
                            "description": "UUID of the specified Blob."
                        }
                    ],
                    "name": "resolveBlob",
                    "parameters": [
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "name": "objectId",
                            "description": "Object id of a Blob object wrapper."
                        }
                    ],
                    "description": "Return UUID of Blob object specified by a remote object id."
                }
            ],
            "domain": "IO",
            "description": "Input/Output operations for streams produced by DevTools.",
            "types": [
                {
                    "type": "string",
                    "id": "StreamHandle",
                    "description": "This is either obtained from another method or specifed as `blob:&lt;uuid&gt;` where\n`&lt;uuid&gt` is an UUID of a Blob."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "clearObjectStore",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        },
                        {
                            "type": "string",
                            "name": "databaseName",
                            "description": "Database name."
                        },
                        {
                            "type": "string",
                            "name": "objectStoreName",
                            "description": "Object store name."
                        }
                    ],
                    "description": "Clears all entries from an object store."
                },
                {
                    "name": "deleteDatabase",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        },
                        {
                            "type": "string",
                            "name": "databaseName",
                            "description": "Database name."
                        }
                    ],
                    "description": "Deletes a database."
                },
                {
                    "name": "deleteObjectStoreEntries",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin"
                        },
                        {
                            "type": "string",
                            "name": "databaseName"
                        },
                        {
                            "type": "string",
                            "name": "objectStoreName"
                        },
                        {
                            "$ref": "KeyRange",
                            "name": "keyRange",
                            "description": "Range of entry keys to delete"
                        }
                    ],
                    "description": "Delete a range of entries from an object store"
                },
                {
                    "name": "disable",
                    "description": "Disables events from backend."
                },
                {
                    "name": "enable",
                    "description": "Enables events from backend."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "DataEntry"
                            },
                            "type": "array",
                            "name": "objectStoreDataEntries",
                            "description": "Array of object store data entries."
                        },
                        {
                            "type": "boolean",
                            "name": "hasMore",
                            "description": "If true, there are more entries to fetch in the given range."
                        }
                    ],
                    "name": "requestData",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        },
                        {
                            "type": "string",
                            "name": "databaseName",
                            "description": "Database name."
                        },
                        {
                            "type": "string",
                            "name": "objectStoreName",
                            "description": "Object store name."
                        },
                        {
                            "type": "string",
                            "name": "indexName",
                            "description": "Index name, empty string for object store data requests."
                        },
                        {
                            "type": "integer",
                            "name": "skipCount",
                            "description": "Number of records to skip."
                        },
                        {
                            "type": "integer",
                            "name": "pageSize",
                            "description": "Number of records to fetch."
                        },
                        {
                            "$ref": "KeyRange",
                            "optional": true,
                            "name": "keyRange",
                            "description": "Key range."
                        }
                    ],
                    "description": "Requests data from object store or index."
                },
                {
                    "returns": [
                        {
                            "$ref": "DatabaseWithObjectStores",
                            "name": "databaseWithObjectStores",
                            "description": "Database with an array of object stores."
                        }
                    ],
                    "name": "requestDatabase",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        },
                        {
                            "type": "string",
                            "name": "databaseName",
                            "description": "Database name."
                        }
                    ],
                    "description": "Requests database with given name in given frame."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "databaseNames",
                            "description": "Database names for origin."
                        }
                    ],
                    "name": "requestDatabaseNames",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Requests database names for given security origin."
                }
            ],
            "domain": "IndexedDB",
            "dependencies": [
                "Runtime"
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Database name."
                        },
                        {
                            "type": "integer",
                            "name": "version",
                            "description": "Database version."
                        },
                        {
                            "items": {
                                "$ref": "ObjectStore"
                            },
                            "type": "array",
                            "name": "objectStores",
                            "description": "Object stores in this database."
                        }
                    ],
                    "type": "object",
                    "id": "DatabaseWithObjectStores",
                    "description": "Database with an array of object stores."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Object store name."
                        },
                        {
                            "$ref": "KeyPath",
                            "name": "keyPath",
                            "description": "Object store key path."
                        },
                        {
                            "type": "boolean",
                            "name": "autoIncrement",
                            "description": "If true, object store has auto increment flag set."
                        },
                        {
                            "items": {
                                "$ref": "ObjectStoreIndex"
                            },
                            "type": "array",
                            "name": "indexes",
                            "description": "Indexes in this object store."
                        }
                    ],
                    "type": "object",
                    "id": "ObjectStore",
                    "description": "Object store."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Index name."
                        },
                        {
                            "$ref": "KeyPath",
                            "name": "keyPath",
                            "description": "Index key path."
                        },
                        {
                            "type": "boolean",
                            "name": "unique",
                            "description": "If true, index is unique."
                        },
                        {
                            "type": "boolean",
                            "name": "multiEntry",
                            "description": "If true, index allows multiple entries for a key."
                        }
                    ],
                    "type": "object",
                    "id": "ObjectStoreIndex",
                    "description": "Object store index."
                },
                {
                    "properties": [
                        {
                            "enum": [
                                "number",
                                "string",
                                "date",
                                "array"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Key type."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "number",
                            "description": "Number value."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "string",
                            "description": "String value."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "date",
                            "description": "Date value."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Key"
                            },
                            "optional": true,
                            "name": "array",
                            "description": "Array value."
                        }
                    ],
                    "type": "object",
                    "id": "Key",
                    "description": "Key."
                },
                {
                    "properties": [
                        {
                            "$ref": "Key",
                            "optional": true,
                            "name": "lower",
                            "description": "Lower bound."
                        },
                        {
                            "$ref": "Key",
                            "optional": true,
                            "name": "upper",
                            "description": "Upper bound."
                        },
                        {
                            "type": "boolean",
                            "name": "lowerOpen",
                            "description": "If true lower bound is open."
                        },
                        {
                            "type": "boolean",
                            "name": "upperOpen",
                            "description": "If true upper bound is open."
                        }
                    ],
                    "type": "object",
                    "id": "KeyRange",
                    "description": "Key range."
                },
                {
                    "properties": [
                        {
                            "$ref": "Runtime.RemoteObject",
                            "name": "key",
                            "description": "Key object."
                        },
                        {
                            "$ref": "Runtime.RemoteObject",
                            "name": "primaryKey",
                            "description": "Primary key object."
                        },
                        {
                            "$ref": "Runtime.RemoteObject",
                            "name": "value",
                            "description": "Value object."
                        }
                    ],
                    "type": "object",
                    "id": "DataEntry",
                    "description": "Data entry."
                },
                {
                    "properties": [
                        {
                            "enum": [
                                "null",
                                "string",
                                "array"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Key path type."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "string",
                            "description": "String value."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "array",
                            "description": "Array value."
                        }
                    ],
                    "type": "object",
                    "id": "KeyPath",
                    "description": "Key path."
                }
            ],
            "experimental": true
        },
        {
            "domain": "Input",
            "commands": [
                {
                    "name": "dispatchKeyEvent",
                    "parameters": [
                        {
                            "enum": [
                                "keyDown",
                                "keyUp",
                                "rawKeyDown",
                                "char"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of the key event."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "modifiers",
                            "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8\n(default: 0)."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "timestamp",
                            "description": "Time at which the event occurred."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "text",
                            "description": "Text as generated by processing a virtual key code with a keyboard layout. Not needed for\nfor `keyUp` and `rawKeyDown` events (default: \"\")"
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "unmodifiedText",
                            "description": "Text that would have been generated by the keyboard if no modifiers were pressed (except for\nshift). Useful for shortcut (accelerator) key handling (default: \"\")."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "keyIdentifier",
                            "description": "Unique key identifier (e.g., 'U+0041') (default: \"\")."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "code",
                            "description": "Unique DOM defined string value for each physical key (e.g., 'KeyA') (default: \"\")."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "key",
                            "description": "Unique DOM defined string value describing the meaning of the key in the context of active\nmodifiers, keyboard layout, etc (e.g., 'AltGr') (default: \"\")."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "windowsVirtualKeyCode",
                            "description": "Windows virtual key code (default: 0)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "nativeVirtualKeyCode",
                            "description": "Native virtual key code (default: 0)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "autoRepeat",
                            "description": "Whether the event was generated from auto repeat (default: false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isKeypad",
                            "description": "Whether the event was generated from the keypad (default: false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isSystemKey",
                            "description": "Whether the event was a system key event (default: false)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "location",
                            "description": "Whether the event was from the left or right side of the keyboard. 1=Left, 2=Right (default:\n0)."
                        }
                    ],
                    "description": "Dispatches a key event to the page."
                },
                {
                    "name": "dispatchMouseEvent",
                    "parameters": [
                        {
                            "enum": [
                                "mousePressed",
                                "mouseReleased",
                                "mouseMoved",
                                "mouseWheel"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of the mouse event."
                        },
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate of the event relative to the main frame's viewport in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to\nthe top of the viewport and Y increases as it proceeds towards the bottom of the viewport."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "modifiers",
                            "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8\n(default: 0)."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "timestamp",
                            "description": "Time at which the event occurred."
                        },
                        {
                            "type": "string",
                            "enum": [
                                "none",
                                "left",
                                "middle",
                                "right"
                            ],
                            "optional": true,
                            "name": "button",
                            "description": "Mouse button (default: \"none\")."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "clickCount",
                            "description": "Number of times the mouse button was clicked (default: 0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "deltaX",
                            "description": "X delta in CSS pixels for mouse wheel event (default: 0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "deltaY",
                            "description": "Y delta in CSS pixels for mouse wheel event (default: 0)."
                        }
                    ],
                    "description": "Dispatches a mouse event to the page."
                },
                {
                    "name": "dispatchTouchEvent",
                    "parameters": [
                        {
                            "enum": [
                                "touchStart",
                                "touchEnd",
                                "touchMove",
                                "touchCancel"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of the touch event. TouchEnd and TouchCancel must not contain any touch points, while\nTouchStart and TouchMove must contains at least one."
                        },
                        {
                            "items": {
                                "$ref": "TouchPoint"
                            },
                            "type": "array",
                            "name": "touchPoints",
                            "description": "Active touch points on the touch device. One event per any changed point (compared to\nprevious touch event in a sequence) is generated, emulating pressing/moving/releasing points\none by one."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "modifiers",
                            "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8\n(default: 0)."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "timestamp",
                            "description": "Time at which the event occurred."
                        }
                    ],
                    "description": "Dispatches a touch event to the page."
                },
                {
                    "parameters": [
                        {
                            "enum": [
                                "mousePressed",
                                "mouseReleased",
                                "mouseMoved",
                                "mouseWheel"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of the mouse event."
                        },
                        {
                            "type": "integer",
                            "name": "x",
                            "description": "X coordinate of the mouse pointer in DIP."
                        },
                        {
                            "type": "integer",
                            "name": "y",
                            "description": "Y coordinate of the mouse pointer in DIP."
                        },
                        {
                            "enum": [
                                "none",
                                "left",
                                "middle",
                                "right"
                            ],
                            "type": "string",
                            "name": "button",
                            "description": "Mouse button."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "timestamp",
                            "description": "Time at which the event occurred (default: current time)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "deltaX",
                            "description": "X delta in DIP for mouse wheel event (default: 0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "deltaY",
                            "description": "Y delta in DIP for mouse wheel event (default: 0)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "modifiers",
                            "description": "Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8\n(default: 0)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "clickCount",
                            "description": "Number of times the mouse button was clicked (default: 0)."
                        }
                    ],
                    "name": "emulateTouchFromMouseEvent",
                    "experimental": true,
                    "description": "Emulates touch event from the mouse event parameters."
                },
                {
                    "name": "setIgnoreInputEvents",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "ignore",
                            "description": "Ignores input events processing when set to true."
                        }
                    ],
                    "description": "Ignores input events (useful while auditing page)."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "scaleFactor",
                            "description": "Relative scale factor after zooming (>1.0 zooms in, <1.0 zooms out)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "relativeSpeed",
                            "description": "Relative pointer speed in pixels per second (default: 800)."
                        },
                        {
                            "$ref": "GestureSourceType",
                            "optional": true,
                            "name": "gestureSourceType",
                            "description": "Which type of input events to be generated (default: 'default', which queries the platform\nfor the preferred input type)."
                        }
                    ],
                    "name": "synthesizePinchGesture",
                    "experimental": true,
                    "description": "Synthesizes a pinch gesture over a time period by issuing appropriate touch events."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "xDistance",
                            "description": "The distance to scroll along the X axis (positive to scroll left)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "yDistance",
                            "description": "The distance to scroll along the Y axis (positive to scroll up)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "xOverscroll",
                            "description": "The number of additional pixels to scroll back along the X axis, in addition to the given\ndistance."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "yOverscroll",
                            "description": "The number of additional pixels to scroll back along the Y axis, in addition to the given\ndistance."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "preventFling",
                            "description": "Prevent fling (default: true)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "speed",
                            "description": "Swipe speed in pixels per second (default: 800)."
                        },
                        {
                            "$ref": "GestureSourceType",
                            "optional": true,
                            "name": "gestureSourceType",
                            "description": "Which type of input events to be generated (default: 'default', which queries the platform\nfor the preferred input type)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "repeatCount",
                            "description": "The number of times to repeat the gesture (default: 0)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "repeatDelayMs",
                            "description": "The number of milliseconds delay between each repeat. (default: 250)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "interactionMarkerName",
                            "description": "The name of the interaction markers to generate, if not empty (default: \"\")."
                        }
                    ],
                    "name": "synthesizeScrollGesture",
                    "experimental": true,
                    "description": "Synthesizes a scroll gesture over a time period by issuing appropriate touch events."
                },
                {
                    "parameters": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate of the start of the gesture in CSS pixels."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "duration",
                            "description": "Duration between touchdown and touchup events in ms (default: 50)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "tapCount",
                            "description": "Number of times to perform the tap (e.g. 2 for double tap, default: 1)."
                        },
                        {
                            "$ref": "GestureSourceType",
                            "optional": true,
                            "name": "gestureSourceType",
                            "description": "Which type of input events to be generated (default: 'default', which queries the platform\nfor the preferred input type)."
                        }
                    ],
                    "name": "synthesizeTapGesture",
                    "experimental": true,
                    "description": "Synthesizes a tap gesture over a time period by issuing appropriate touch events."
                }
            ],
            "types": [
                {
                    "type": "object",
                    "id": "TouchPoint",
                    "properties": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X coordinate of the event relative to the main frame's viewport in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to\nthe top of the viewport and Y increases as it proceeds towards the bottom of the viewport."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "radiusX",
                            "description": "X radius of the touch area (default: 1.0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "radiusY",
                            "description": "Y radius of the touch area (default: 1.0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "rotationAngle",
                            "description": "Rotation angle (default: 0.0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "force",
                            "description": "Force (default: 1.0)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "id",
                            "description": "Identifier used to track touch sources between events, must be unique within an event."
                        }
                    ]
                },
                {
                    "enum": [
                        "default",
                        "touch",
                        "mouse"
                    ],
                    "type": "string",
                    "id": "GestureSourceType",
                    "experimental": true
                },
                {
                    "type": "number",
                    "id": "TimeSinceEpoch",
                    "description": "UTC time in seconds, counted from January 1, 1970."
                }
            ]
        },
        {
            "domain": "Inspector",
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables inspector domain notifications."
                },
                {
                    "name": "enable",
                    "description": "Enables inspector domain notifications."
                }
            ],
            "experimental": true,
            "events": [
                {
                    "name": "detached",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "reason",
                            "description": "The reason why connection has been terminated."
                        }
                    ],
                    "description": "Fired when remote debugging connection is about to be terminated. Contains detach reason."
                },
                {
                    "name": "targetCrashed",
                    "description": "Fired when debugging target has crashed"
                },
                {
                    "name": "targetReloadedAfterCrash",
                    "description": "Fired when debugging target has reloaded after crash"
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "compositingReasons",
                            "description": "A list of strings specifying reasons for the given layer to become composited."
                        }
                    ],
                    "name": "compositingReasons",
                    "parameters": [
                        {
                            "$ref": "LayerId",
                            "name": "layerId",
                            "description": "The id of the layer for which we want to get the reasons it was composited."
                        }
                    ],
                    "description": "Provides the reasons why the given layer was composited."
                },
                {
                    "name": "disable",
                    "description": "Disables compositing tree inspection."
                },
                {
                    "name": "enable",
                    "description": "Enables compositing tree inspection."
                },
                {
                    "returns": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the snapshot."
                        }
                    ],
                    "name": "loadSnapshot",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "PictureTile"
                            },
                            "type": "array",
                            "name": "tiles",
                            "description": "An array of tiles composing the snapshot."
                        }
                    ],
                    "description": "Returns the snapshot identifier."
                },
                {
                    "returns": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the layer snapshot."
                        }
                    ],
                    "name": "makeSnapshot",
                    "parameters": [
                        {
                            "$ref": "LayerId",
                            "name": "layerId",
                            "description": "The id of the layer."
                        }
                    ],
                    "description": "Returns the layer snapshot identifier."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "PaintProfile"
                            },
                            "type": "array",
                            "name": "timings",
                            "description": "The array of paint profiles, one per run."
                        }
                    ],
                    "name": "profileSnapshot",
                    "parameters": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the layer snapshot."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "minRepeatCount",
                            "description": "The maximum number of times to replay the snapshot (1, if not specified)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "minDuration",
                            "description": "The minimum duration (in seconds) to replay the snapshot."
                        },
                        {
                            "$ref": "DOM.Rect",
                            "optional": true,
                            "name": "clipRect",
                            "description": "The clip rectangle to apply when replaying the snapshot."
                        }
                    ]
                },
                {
                    "name": "releaseSnapshot",
                    "parameters": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the layer snapshot."
                        }
                    ],
                    "description": "Releases layer snapshot captured by the back-end."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "dataURL",
                            "description": "A data: URL for resulting image."
                        }
                    ],
                    "name": "replaySnapshot",
                    "parameters": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the layer snapshot."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "fromStep",
                            "description": "The first step to replay from (replay from the very start if not specified)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "toStep",
                            "description": "The last step to replay to (replay till the end if not specified)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scale",
                            "description": "The scale to apply while replaying (defaults to 1)."
                        }
                    ],
                    "description": "Replays the layer snapshot and returns the resulting bitmap."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "object"
                            },
                            "type": "array",
                            "name": "commandLog",
                            "description": "The array of canvas function calls."
                        }
                    ],
                    "name": "snapshotCommandLog",
                    "parameters": [
                        {
                            "$ref": "SnapshotId",
                            "name": "snapshotId",
                            "description": "The id of the layer snapshot."
                        }
                    ],
                    "description": "Replays the layer snapshot and returns canvas log."
                }
            ],
            "domain": "LayerTree",
            "dependencies": [
                "DOM"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "layerPainted",
                    "parameters": [
                        {
                            "$ref": "LayerId",
                            "name": "layerId",
                            "description": "The id of the painted layer."
                        },
                        {
                            "$ref": "DOM.Rect",
                            "name": "clip",
                            "description": "Clip rectangle."
                        }
                    ]
                },
                {
                    "name": "layerTreeDidChange",
                    "parameters": [
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Layer"
                            },
                            "optional": true,
                            "name": "layers",
                            "description": "Layer tree, absent if not in the comspositing mode."
                        }
                    ]
                }
            ],
            "types": [
                {
                    "type": "string",
                    "id": "LayerId",
                    "description": "Unique Layer identifier."
                },
                {
                    "type": "string",
                    "id": "SnapshotId",
                    "description": "Unique snapshot identifier."
                },
                {
                    "properties": [
                        {
                            "$ref": "DOM.Rect",
                            "name": "rect",
                            "description": "Rectangle itself."
                        },
                        {
                            "enum": [
                                "RepaintsOnScroll",
                                "TouchEventHandler",
                                "WheelEventHandler"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Reason for rectangle to force scrolling on the main thread"
                        }
                    ],
                    "type": "object",
                    "id": "ScrollRect",
                    "description": "Rectangle where scrolling happens on the main thread."
                },
                {
                    "properties": [
                        {
                            "$ref": "DOM.Rect",
                            "name": "stickyBoxRect",
                            "description": "Layout rectangle of the sticky element before being shifted"
                        },
                        {
                            "$ref": "DOM.Rect",
                            "name": "containingBlockRect",
                            "description": "Layout rectangle of the containing block of the sticky element"
                        },
                        {
                            "$ref": "LayerId",
                            "optional": true,
                            "name": "nearestLayerShiftingStickyBox",
                            "description": "The nearest sticky layer that shifts the sticky box"
                        },
                        {
                            "$ref": "LayerId",
                            "optional": true,
                            "name": "nearestLayerShiftingContainingBlock",
                            "description": "The nearest sticky layer that shifts the containing block"
                        }
                    ],
                    "type": "object",
                    "id": "StickyPositionConstraint",
                    "description": "Sticky position constraints."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "Offset from owning layer left boundary"
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Offset from owning layer top boundary"
                        },
                        {
                            "type": "string",
                            "name": "picture",
                            "description": "Base64-encoded snapshot data."
                        }
                    ],
                    "type": "object",
                    "id": "PictureTile",
                    "description": "Serialized fragment of layer picture along with its offset within the layer."
                },
                {
                    "properties": [
                        {
                            "$ref": "LayerId",
                            "name": "layerId",
                            "description": "The unique id for this layer."
                        },
                        {
                            "$ref": "LayerId",
                            "optional": true,
                            "name": "parentLayerId",
                            "description": "The id of parent (not present for root)."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "The backend id for the node associated with this layer."
                        },
                        {
                            "type": "number",
                            "name": "offsetX",
                            "description": "Offset from parent layer, X coordinate."
                        },
                        {
                            "type": "number",
                            "name": "offsetY",
                            "description": "Offset from parent layer, Y coordinate."
                        },
                        {
                            "type": "number",
                            "name": "width",
                            "description": "Layer width."
                        },
                        {
                            "type": "number",
                            "name": "height",
                            "description": "Layer height."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "number"
                            },
                            "optional": true,
                            "name": "transform",
                            "description": "Transformation matrix for layer, default is identity matrix"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "anchorX",
                            "description": "Transform anchor point X, absent if no transform specified"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "anchorY",
                            "description": "Transform anchor point Y, absent if no transform specified"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "anchorZ",
                            "description": "Transform anchor point Z, absent if no transform specified"
                        },
                        {
                            "type": "integer",
                            "name": "paintCount",
                            "description": "Indicates how many time this layer has painted."
                        },
                        {
                            "type": "boolean",
                            "name": "drawsContent",
                            "description": "Indicates whether this layer hosts any content, rather than being used for\ntransform/scrolling purposes only."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "invisible",
                            "description": "Set if layer is not visible."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "ScrollRect"
                            },
                            "optional": true,
                            "name": "scrollRects",
                            "description": "Rectangles scrolling on main thread only."
                        },
                        {
                            "$ref": "StickyPositionConstraint",
                            "optional": true,
                            "name": "stickyPositionConstraint",
                            "description": "Sticky position constraint information"
                        }
                    ],
                    "type": "object",
                    "id": "Layer",
                    "description": "Information about a compositing layer."
                },
                {
                    "items": {
                        "type": "number"
                    },
                    "type": "array",
                    "id": "PaintProfile",
                    "description": "Array of timings, one per paint step."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "clear",
                    "description": "Clears the log."
                },
                {
                    "name": "disable",
                    "description": "Disables log domain, prevents further log entries from being reported to the client."
                },
                {
                    "name": "enable",
                    "description": "Enables log domain, sends the entries collected so far to the client by means of the\n`entryAdded` notification."
                },
                {
                    "name": "startViolationsReport",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "ViolationSetting"
                            },
                            "type": "array",
                            "name": "config",
                            "description": "Configuration for violations."
                        }
                    ],
                    "description": "start violation reporting."
                },
                {
                    "name": "stopViolationsReport",
                    "description": "Stop violation reporting."
                }
            ],
            "description": "Provides access to log entries.",
            "domain": "Log",
            "dependencies": [
                "Runtime",
                "Network"
            ],
            "events": [
                {
                    "name": "entryAdded",
                    "parameters": [
                        {
                            "$ref": "LogEntry",
                            "name": "entry",
                            "description": "The entry."
                        }
                    ],
                    "description": "Issued when new message was logged."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "enum": [
                                "xml",
                                "javascript",
                                "network",
                                "storage",
                                "appcache",
                                "rendering",
                                "security",
                                "deprecation",
                                "worker",
                                "violation",
                                "intervention",
                                "recommendation",
                                "other"
                            ],
                            "type": "string",
                            "name": "source",
                            "description": "Log entry source."
                        },
                        {
                            "enum": [
                                "verbose",
                                "info",
                                "warning",
                                "error"
                            ],
                            "type": "string",
                            "name": "level",
                            "description": "Log entry severity."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Logged text."
                        },
                        {
                            "$ref": "Runtime.Timestamp",
                            "name": "timestamp",
                            "description": "Timestamp when this entry was added."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "URL of the resource if known."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "lineNumber",
                            "description": "Line number in the resource."
                        },
                        {
                            "$ref": "Runtime.StackTrace",
                            "optional": true,
                            "name": "stackTrace",
                            "description": "JavaScript stack trace."
                        },
                        {
                            "$ref": "Network.RequestId",
                            "optional": true,
                            "name": "networkRequestId",
                            "description": "Identifier of the network request associated with this entry."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "workerId",
                            "description": "Identifier of the worker associated with this entry."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "Runtime.RemoteObject"
                            },
                            "optional": true,
                            "name": "args",
                            "description": "Call arguments."
                        }
                    ],
                    "type": "object",
                    "id": "LogEntry",
                    "description": "Log entry."
                },
                {
                    "properties": [
                        {
                            "enum": [
                                "longTask",
                                "longLayout",
                                "blockedEvent",
                                "blockedParser",
                                "discouragedAPIUse",
                                "handler",
                                "recurringHandler"
                            ],
                            "type": "string",
                            "name": "name",
                            "description": "Violation type."
                        },
                        {
                            "type": "number",
                            "name": "threshold",
                            "description": "Time threshold to trigger upon."
                        }
                    ],
                    "type": "object",
                    "id": "ViolationSetting",
                    "description": "Violation configuration setting."
                }
            ]
        },
        {
            "commands": [
                {
                    "returns": [
                        {
                            "type": "integer",
                            "name": "documents"
                        },
                        {
                            "type": "integer",
                            "name": "nodes"
                        },
                        {
                            "type": "integer",
                            "name": "jsEventListeners"
                        }
                    ],
                    "name": "getDOMCounters"
                },
                {
                    "name": "prepareForLeakDetection"
                },
                {
                    "name": "setPressureNotificationsSuppressed",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "suppressed",
                            "description": "If true, memory pressure notifications will be suppressed."
                        }
                    ],
                    "description": "Enable/disable suppressing memory pressure notifications in all processes."
                },
                {
                    "name": "simulatePressureNotification",
                    "parameters": [
                        {
                            "$ref": "PressureLevel",
                            "name": "level",
                            "description": "Memory pressure level of the notification."
                        }
                    ],
                    "description": "Simulate a memory pressure notification in all processes."
                },
                {
                    "name": "startSampling",
                    "parameters": [
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "samplingInterval",
                            "description": "Average number of bytes between samples."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "suppressRandomness",
                            "description": "Do not randomize intervals between samples."
                        }
                    ],
                    "description": "Start collecting native memory profile."
                },
                {
                    "name": "stopSampling",
                    "description": "Stop collecting native memory profile."
                },
                {
                    "returns": [
                        {
                            "name": "profile",
                            "$ref": "SamplingProfile"
                        }
                    ],
                    "name": "getAllTimeSamplingProfile",
                    "description": "Retrieve native memory allocations profile\ncollected since renderer process startup."
                },
                {
                    "returns": [
                        {
                            "name": "profile",
                            "$ref": "SamplingProfile"
                        }
                    ],
                    "name": "getBrowserSamplingProfile",
                    "description": "Retrieve native memory allocations profile\ncollected since browser process startup."
                },
                {
                    "returns": [
                        {
                            "name": "profile",
                            "$ref": "SamplingProfile"
                        }
                    ],
                    "name": "getSamplingProfile",
                    "description": "Retrieve native memory allocations profile collected since last\n`startSampling` call."
                }
            ],
            "domain": "Memory",
            "types": [
                {
                    "enum": [
                        "moderate",
                        "critical"
                    ],
                    "type": "string",
                    "id": "PressureLevel",
                    "description": "Memory pressure level."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "size",
                            "description": "Size of the sampled allocation."
                        },
                        {
                            "type": "number",
                            "name": "total",
                            "description": "Total bytes attributed to this sample."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "stack",
                            "description": "Execution stack at the point of allocation."
                        }
                    ],
                    "type": "object",
                    "id": "SamplingProfileNode",
                    "description": "Heap profile sample."
                },
                {
                    "properties": [
                        {
                            "items": {
                                "$ref": "SamplingProfileNode"
                            },
                            "type": "array",
                            "name": "samples"
                        }
                    ],
                    "type": "object",
                    "id": "SamplingProfile",
                    "description": "Array of heap profile samples."
                }
            ],
            "experimental": true
        },
        {
            "commands": [
                {
                    "deprecated": true,
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "True if browser cache can be cleared."
                        }
                    ],
                    "name": "canClearBrowserCache",
                    "description": "Tells whether clearing browser cache is supported."
                },
                {
                    "deprecated": true,
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "True if browser cookies can be cleared."
                        }
                    ],
                    "name": "canClearBrowserCookies",
                    "description": "Tells whether clearing browser cookies is supported."
                },
                {
                    "deprecated": true,
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "True if emulation of network conditions is supported."
                        }
                    ],
                    "name": "canEmulateNetworkConditions",
                    "description": "Tells whether emulation of network conditions is supported."
                },
                {
                    "name": "clearBrowserCache",
                    "description": "Clears browser cache."
                },
                {
                    "name": "clearBrowserCookies",
                    "description": "Clears browser cookies."
                },
                {
                    "parameters": [
                        {
                            "name": "interceptionId",
                            "$ref": "InterceptionId"
                        },
                        {
                            "$ref": "ErrorReason",
                            "optional": true,
                            "name": "errorReason",
                            "description": "If set this causes the request to fail with the given reason. Passing `Aborted` for requests\nmarked with `isNavigationRequest` also cancels the navigation. Must not be set in response\nto an authChallenge."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "rawResponse",
                            "description": "If set the requests completes using with the provided base64 encoded raw response, including\nHTTP status line and headers etc... Must not be set in response to an authChallenge."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "If set the request url will be modified in a way that's not observable by page. Must not be\nset in response to an authChallenge."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "method",
                            "description": "If set this allows the request method to be overridden. Must not be set in response to an\nauthChallenge."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "postData",
                            "description": "If set this allows postData to be set. Must not be set in response to an authChallenge."
                        },
                        {
                            "$ref": "Headers",
                            "optional": true,
                            "name": "headers",
                            "description": "If set this allows the request headers to be changed. Must not be set in response to an\nauthChallenge."
                        },
                        {
                            "$ref": "AuthChallengeResponse",
                            "optional": true,
                            "name": "authChallengeResponse",
                            "description": "Response to a requestIntercepted with an authChallenge. Must not be set otherwise."
                        }
                    ],
                    "name": "continueInterceptedRequest",
                    "experimental": true,
                    "description": "Response to Network.requestIntercepted which either modifies the request to continue with any\nmodifications, or blocks it, or completes it with the provided response bytes. If a network\nfetch occurs as a result which encounters a redirect an additional Network.requestIntercepted\nevent will be sent with the same InterceptionId."
                },
                {
                    "name": "deleteCookies",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Name of the cookies to remove."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "If specified, deletes all the cookies with the given name where domain and path match\nprovided URL."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "domain",
                            "description": "If specified, deletes only cookies with the exact domain."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "path",
                            "description": "If specified, deletes only cookies with the exact path."
                        }
                    ],
                    "description": "Deletes browser cookies with matching name and url or domain/path pair."
                },
                {
                    "name": "disable",
                    "description": "Disables network tracking, prevents network events from being sent to the client."
                },
                {
                    "name": "emulateNetworkConditions",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "offline",
                            "description": "True to emulate internet disconnection."
                        },
                        {
                            "type": "number",
                            "name": "latency",
                            "description": "Minimum latency from request sent to response headers received (ms)."
                        },
                        {
                            "type": "number",
                            "name": "downloadThroughput",
                            "description": "Maximal aggregated download throughput (bytes/sec). -1 disables download throttling."
                        },
                        {
                            "type": "number",
                            "name": "uploadThroughput",
                            "description": "Maximal aggregated upload throughput (bytes/sec).  -1 disables upload throttling."
                        },
                        {
                            "$ref": "ConnectionType",
                            "optional": true,
                            "name": "connectionType",
                            "description": "Connection type if known."
                        }
                    ],
                    "description": "Activates emulation of network conditions."
                },
                {
                    "name": "enable",
                    "parameters": [
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxTotalBufferSize",
                            "experimental": true,
                            "description": "Buffer size in bytes to use when preserving network payloads (XHRs, etc)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxResourceBufferSize",
                            "experimental": true,
                            "description": "Per-resource buffer size in bytes to use when preserving network payloads (XHRs, etc)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxPostDataSize",
                            "description": "Longest post body size (in bytes) that would be included in requestWillBeSent notification"
                        }
                    ],
                    "description": "Enables network tracking, network events will now be delivered to the client."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Cookie"
                            },
                            "type": "array",
                            "name": "cookies",
                            "description": "Array of cookie objects."
                        }
                    ],
                    "name": "getAllCookies",
                    "description": "Returns all browser cookies. Depending on the backend support, will return detailed cookie\ninformation in the `cookies` field."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "tableNames"
                        }
                    ],
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin to get certificate for."
                        }
                    ],
                    "name": "getCertificate",
                    "experimental": true,
                    "description": "Returns the DER-encoded certificate."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Cookie"
                            },
                            "type": "array",
                            "name": "cookies",
                            "description": "Array of cookie objects."
                        }
                    ],
                    "name": "getCookies",
                    "parameters": [
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "urls",
                            "description": "The list of URLs for which applicable cookies will be fetched"
                        }
                    ],
                    "description": "Returns all browser cookies for the current URL. Depending on the backend support, will return\ndetailed cookie information in the `cookies` field."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "body",
                            "description": "Response body."
                        },
                        {
                            "type": "boolean",
                            "name": "base64Encoded",
                            "description": "True, if content was sent as base64."
                        }
                    ],
                    "name": "getResponseBody",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Identifier of the network request to get content for."
                        }
                    ],
                    "description": "Returns content served for the given request."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "postData",
                            "description": "Base64-encoded request body."
                        }
                    ],
                    "name": "getRequestPostData",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Identifier of the network request to get content for."
                        }
                    ],
                    "description": "Returns post data sent with the request. Returns an error when no data was sent with the request."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "body",
                            "description": "Response body."
                        },
                        {
                            "type": "boolean",
                            "name": "base64Encoded",
                            "description": "True, if content was sent as base64."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "InterceptionId",
                            "name": "interceptionId",
                            "description": "Identifier for the intercepted request to get body for."
                        }
                    ],
                    "name": "getResponseBodyForInterception",
                    "experimental": true,
                    "description": "Returns content served for the given currently intercepted request."
                },
                {
                    "returns": [
                        {
                            "name": "stream",
                            "$ref": "IO.StreamHandle"
                        }
                    ],
                    "parameters": [
                        {
                            "name": "interceptionId",
                            "$ref": "InterceptionId"
                        }
                    ],
                    "name": "takeResponseBodyForInterceptionAsStream",
                    "experimental": true,
                    "description": "Returns a handle to the stream representing the response body. Note that after this command,\nthe intercepted request can't be continued as is -- you either need to cancel it or to provide\nthe response body. The stream only supports sequential read, IO.read will fail if the position\nis specified."
                },
                {
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Identifier of XHR to replay."
                        }
                    ],
                    "name": "replayXHR",
                    "experimental": true,
                    "description": "This method sends a new XMLHttpRequest which is identical to the original one. The following\nparameters should be identical: method, url, async, request body, extra headers, withCredentials\nattribute, user, password."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Debugger.SearchMatch"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "List of search matches."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Identifier of the network response to search."
                        },
                        {
                            "type": "string",
                            "name": "query",
                            "description": "String to search for."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "caseSensitive",
                            "description": "If true, search is case sensitive."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isRegex",
                            "description": "If true, treats string parameter as regex."
                        }
                    ],
                    "name": "searchInResponseBody",
                    "experimental": true,
                    "description": "Searches for given string in response content."
                },
                {
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "urls",
                            "description": "URL patterns to block. Wildcards ('*') are allowed."
                        }
                    ],
                    "name": "setBlockedURLs",
                    "experimental": true,
                    "description": "Blocks URLs from loading."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "bypass",
                            "description": "Bypass service worker and load from network."
                        }
                    ],
                    "name": "setBypassServiceWorker",
                    "experimental": true,
                    "description": "Toggles ignoring of service worker for each request."
                },
                {
                    "name": "setCacheDisabled",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "cacheDisabled",
                            "description": "Cache disabled state."
                        }
                    ],
                    "description": "Toggles ignoring cache for each request. If `true`, cache will not be used."
                },
                {
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "success",
                            "description": "True if successfully set cookie."
                        }
                    ],
                    "name": "setCookie",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Cookie name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Cookie value."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "The request-URI to associate with the setting of the cookie. This value can affect the\ndefault domain and path values of the created cookie."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "domain",
                            "description": "Cookie domain."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "path",
                            "description": "Cookie path."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "secure",
                            "description": "True if cookie is secure."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "httpOnly",
                            "description": "True if cookie is http-only."
                        },
                        {
                            "$ref": "CookieSameSite",
                            "optional": true,
                            "name": "sameSite",
                            "description": "Cookie SameSite type."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "expires",
                            "description": "Cookie expiration date, session cookie if not set"
                        }
                    ],
                    "description": "Sets a cookie with the given cookie data; may overwrite equivalent cookies if they exist."
                },
                {
                    "name": "setCookies",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "CookieParam"
                            },
                            "type": "array",
                            "name": "cookies",
                            "description": "Cookies to be set."
                        }
                    ],
                    "description": "Sets given cookies."
                },
                {
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "maxTotalSize",
                            "description": "Maximum total buffer size."
                        },
                        {
                            "type": "integer",
                            "name": "maxResourceSize",
                            "description": "Maximum per-resource size."
                        }
                    ],
                    "name": "setDataSizeLimitsForTest",
                    "experimental": true,
                    "description": "For testing."
                },
                {
                    "name": "setExtraHTTPHeaders",
                    "parameters": [
                        {
                            "$ref": "Headers",
                            "name": "headers",
                            "description": "Map with extra HTTP headers."
                        }
                    ],
                    "description": "Specifies whether to always send extra HTTP headers with the requests from this page."
                },
                {
                    "parameters": [
                        {
                            "items": {
                                "$ref": "RequestPattern"
                            },
                            "type": "array",
                            "name": "patterns",
                            "description": "Requests matching any of these patterns will be forwarded and wait for the corresponding\ncontinueInterceptedRequest call."
                        }
                    ],
                    "name": "setRequestInterception",
                    "experimental": true,
                    "description": "Sets the requests to intercept that match a the provided patterns and optionally resource types."
                },
                {
                    "name": "setUserAgentOverride",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "userAgent",
                            "description": "User agent to use."
                        }
                    ],
                    "description": "Allows overriding user agent with the given string."
                }
            ],
            "description": "Network domain allows tracking network activities of the page. It exposes information about http,\nfile, data and other requests and responses, their headers, bodies, timing, etc.",
            "domain": "Network",
            "dependencies": [
                "Debugger",
                "Runtime",
                "Security"
            ],
            "events": [
                {
                    "name": "dataReceived",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "type": "integer",
                            "name": "dataLength",
                            "description": "Data chunk length."
                        },
                        {
                            "type": "integer",
                            "name": "encodedDataLength",
                            "description": "Actual bytes received (might be less than dataLength for compressed encodings)."
                        }
                    ],
                    "description": "Fired when data chunk was received over the network."
                },
                {
                    "name": "eventSourceMessageReceived",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "type": "string",
                            "name": "eventName",
                            "description": "Message type."
                        },
                        {
                            "type": "string",
                            "name": "eventId",
                            "description": "Message identifier."
                        },
                        {
                            "type": "string",
                            "name": "data",
                            "description": "Message content."
                        }
                    ],
                    "description": "Fired when EventSource message is received."
                },
                {
                    "name": "loadingFailed",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "name": "type",
                            "description": "Resource type."
                        },
                        {
                            "type": "string",
                            "name": "errorText",
                            "description": "User friendly error message."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "canceled",
                            "description": "True if loading was canceled."
                        },
                        {
                            "$ref": "BlockedReason",
                            "optional": true,
                            "name": "blockedReason",
                            "description": "The reason why loading was blocked, if any."
                        }
                    ],
                    "description": "Fired when HTTP request has failed to load."
                },
                {
                    "name": "loadingFinished",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "type": "number",
                            "name": "encodedDataLength",
                            "description": "Total number of bytes received for this request."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "blockedCrossSiteDocument",
                            "description": "Set when response was blocked due to being cross-site document response."
                        }
                    ],
                    "description": "Fired when HTTP request has finished loading."
                },
                {
                    "parameters": [
                        {
                            "$ref": "InterceptionId",
                            "name": "interceptionId",
                            "description": "Each request the page makes will have a unique id, however if any redirects are encountered\nwhile processing that fetch, they will be reported with the same id as the original fetch.\nLikewise if HTTP authentication is needed then the same fetch id will be used."
                        },
                        {
                            "name": "request",
                            "$ref": "Request"
                        },
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "The id of the frame that initiated the request."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "name": "resourceType",
                            "description": "How the requested resource will be used."
                        },
                        {
                            "type": "boolean",
                            "name": "isNavigationRequest",
                            "description": "Whether this is a navigation request, which can abort the navigation completely."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isDownload",
                            "description": "Set if the request is a navigation that will result in a download.\nOnly present after response is received from the server (i.e. HeadersReceived stage)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "redirectUrl",
                            "description": "Redirect location, only sent if a redirect was intercepted."
                        },
                        {
                            "$ref": "AuthChallenge",
                            "optional": true,
                            "name": "authChallenge",
                            "description": "Details of the Authorization Challenge encountered. If this is set then\ncontinueInterceptedRequest must contain an authChallengeResponse."
                        },
                        {
                            "$ref": "ErrorReason",
                            "optional": true,
                            "name": "responseErrorReason",
                            "description": "Response error if intercepted at response stage or if redirect occurred while intercepting\nrequest."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "responseStatusCode",
                            "description": "Response code if intercepted at response stage or if redirect occurred while intercepting\nrequest or auth retry occurred."
                        },
                        {
                            "$ref": "Headers",
                            "optional": true,
                            "name": "responseHeaders",
                            "description": "Response headers if intercepted at the response stage or if redirect occurred while\nintercepting request or auth retry occurred."
                        }
                    ],
                    "name": "requestIntercepted",
                    "experimental": true,
                    "description": "Details of an intercepted HTTP request, which must be either allowed, blocked, modified or\nmocked."
                },
                {
                    "name": "requestServedFromCache",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        }
                    ],
                    "description": "Fired if request ended up loading from cache."
                },
                {
                    "name": "requestWillBeSent",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "LoaderId",
                            "name": "loaderId",
                            "description": "Loader identifier. Empty string if the request is fetched from worker."
                        },
                        {
                            "type": "string",
                            "name": "documentURL",
                            "description": "URL of the document this request is loaded for."
                        },
                        {
                            "$ref": "Request",
                            "name": "request",
                            "description": "Request data."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "name": "wallTime",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "Initiator",
                            "name": "initiator",
                            "description": "Request initiator."
                        },
                        {
                            "$ref": "Response",
                            "optional": true,
                            "name": "redirectResponse",
                            "description": "Redirect response data."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "optional": true,
                            "name": "type",
                            "description": "Type of this resource."
                        },
                        {
                            "$ref": "Page.FrameId",
                            "optional": true,
                            "name": "frameId",
                            "description": "Frame identifier."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "hasUserGesture",
                            "description": "Whether the request is initiated by a user gesture. Defaults to false."
                        }
                    ],
                    "description": "Fired when page is about to send HTTP request."
                },
                {
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "ResourcePriority",
                            "name": "newPriority",
                            "description": "New priority"
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        }
                    ],
                    "name": "resourceChangedPriority",
                    "experimental": true,
                    "description": "Fired when resource loading priority is changed"
                },
                {
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "SignedExchangeInfo",
                            "name": "info",
                            "description": "Information about the signed exchange response."
                        }
                    ],
                    "name": "signedExchangeReceived",
                    "experimental": true,
                    "description": "Fired when a signed exchange was received over the network"
                },
                {
                    "name": "responseReceived",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "LoaderId",
                            "name": "loaderId",
                            "description": "Loader identifier. Empty string if the request is fetched from worker."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "name": "type",
                            "description": "Resource type."
                        },
                        {
                            "$ref": "Response",
                            "name": "response",
                            "description": "Response data."
                        },
                        {
                            "$ref": "Page.FrameId",
                            "optional": true,
                            "name": "frameId",
                            "description": "Frame identifier."
                        }
                    ],
                    "description": "Fired when HTTP response is available."
                },
                {
                    "name": "webSocketClosed",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        }
                    ],
                    "description": "Fired when WebSocket is closed."
                },
                {
                    "name": "webSocketCreated",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "WebSocket request URL."
                        },
                        {
                            "$ref": "Initiator",
                            "optional": true,
                            "name": "initiator",
                            "description": "Request initiator."
                        }
                    ],
                    "description": "Fired upon WebSocket creation."
                },
                {
                    "name": "webSocketFrameError",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "type": "string",
                            "name": "errorMessage",
                            "description": "WebSocket frame error message."
                        }
                    ],
                    "description": "Fired when WebSocket frame error occurs."
                },
                {
                    "name": "webSocketFrameReceived",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "WebSocketFrame",
                            "name": "response",
                            "description": "WebSocket response data."
                        }
                    ],
                    "description": "Fired when WebSocket frame is received."
                },
                {
                    "name": "webSocketFrameSent",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "WebSocketFrame",
                            "name": "response",
                            "description": "WebSocket response data."
                        }
                    ],
                    "description": "Fired when WebSocket frame is sent."
                },
                {
                    "name": "webSocketHandshakeResponseReceived",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "WebSocketResponse",
                            "name": "response",
                            "description": "WebSocket response data."
                        }
                    ],
                    "description": "Fired when WebSocket handshake response becomes available."
                },
                {
                    "name": "webSocketWillSendHandshakeRequest",
                    "parameters": [
                        {
                            "$ref": "RequestId",
                            "name": "requestId",
                            "description": "Request identifier."
                        },
                        {
                            "$ref": "MonotonicTime",
                            "name": "timestamp",
                            "description": "Timestamp."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "name": "wallTime",
                            "description": "UTC Timestamp."
                        },
                        {
                            "$ref": "WebSocketRequest",
                            "name": "request",
                            "description": "WebSocket request data."
                        }
                    ],
                    "description": "Fired when WebSocket is about to initiate handshake."
                }
            ],
            "types": [
                {
                    "type": "string",
                    "id": "LoaderId",
                    "description": "Unique loader identifier."
                },
                {
                    "type": "string",
                    "id": "RequestId",
                    "description": "Unique request identifier."
                },
                {
                    "type": "string",
                    "id": "InterceptionId",
                    "description": "Unique intercepted request identifier."
                },
                {
                    "enum": [
                        "Failed",
                        "Aborted",
                        "TimedOut",
                        "AccessDenied",
                        "ConnectionClosed",
                        "ConnectionReset",
                        "ConnectionRefused",
                        "ConnectionAborted",
                        "ConnectionFailed",
                        "NameNotResolved",
                        "InternetDisconnected",
                        "AddressUnreachable",
                        "BlockedByClient",
                        "BlockedByResponse"
                    ],
                    "type": "string",
                    "id": "ErrorReason",
                    "description": "Network level fetch failure reason."
                },
                {
                    "type": "number",
                    "id": "TimeSinceEpoch",
                    "description": "UTC time in seconds, counted from January 1, 1970."
                },
                {
                    "type": "number",
                    "id": "MonotonicTime",
                    "description": "Monotonically increasing time in seconds since an arbitrary point in the past."
                },
                {
                    "type": "object",
                    "id": "Headers",
                    "description": "Request / response headers as keys / values of JSON object."
                },
                {
                    "enum": [
                        "none",
                        "cellular2g",
                        "cellular3g",
                        "cellular4g",
                        "bluetooth",
                        "ethernet",
                        "wifi",
                        "wimax",
                        "other"
                    ],
                    "type": "string",
                    "id": "ConnectionType",
                    "description": "The underlying connection technology that the browser is supposedly using."
                },
                {
                    "enum": [
                        "Strict",
                        "Lax"
                    ],
                    "type": "string",
                    "id": "CookieSameSite",
                    "description": "Represents the cookie's 'SameSite' status:\nhttps://tools.ietf.org/html/draft-west-first-party-cookies"
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "requestTime",
                            "description": "Timing's requestTime is a baseline in seconds, while the other numbers are ticks in\nmilliseconds relatively to this requestTime."
                        },
                        {
                            "type": "number",
                            "name": "proxyStart",
                            "description": "Started resolving proxy."
                        },
                        {
                            "type": "number",
                            "name": "proxyEnd",
                            "description": "Finished resolving proxy."
                        },
                        {
                            "type": "number",
                            "name": "dnsStart",
                            "description": "Started DNS address resolve."
                        },
                        {
                            "type": "number",
                            "name": "dnsEnd",
                            "description": "Finished DNS address resolve."
                        },
                        {
                            "type": "number",
                            "name": "connectStart",
                            "description": "Started connecting to the remote host."
                        },
                        {
                            "type": "number",
                            "name": "connectEnd",
                            "description": "Connected to the remote host."
                        },
                        {
                            "type": "number",
                            "name": "sslStart",
                            "description": "Started SSL handshake."
                        },
                        {
                            "type": "number",
                            "name": "sslEnd",
                            "description": "Finished SSL handshake."
                        },
                        {
                            "type": "number",
                            "name": "workerStart",
                            "experimental": true,
                            "description": "Started running ServiceWorker."
                        },
                        {
                            "type": "number",
                            "name": "workerReady",
                            "experimental": true,
                            "description": "Finished Starting ServiceWorker."
                        },
                        {
                            "type": "number",
                            "name": "sendStart",
                            "description": "Started sending request."
                        },
                        {
                            "type": "number",
                            "name": "sendEnd",
                            "description": "Finished sending request."
                        },
                        {
                            "type": "number",
                            "name": "pushStart",
                            "experimental": true,
                            "description": "Time the server started pushing request."
                        },
                        {
                            "type": "number",
                            "name": "pushEnd",
                            "experimental": true,
                            "description": "Time the server finished pushing request."
                        },
                        {
                            "type": "number",
                            "name": "receiveHeadersEnd",
                            "description": "Finished receiving response headers."
                        }
                    ],
                    "type": "object",
                    "id": "ResourceTiming",
                    "description": "Timing information for the request."
                },
                {
                    "enum": [
                        "VeryLow",
                        "Low",
                        "Medium",
                        "High",
                        "VeryHigh"
                    ],
                    "type": "string",
                    "id": "ResourcePriority",
                    "description": "Loading priority of a resource request."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Request URL."
                        },
                        {
                            "type": "string",
                            "name": "method",
                            "description": "HTTP request method."
                        },
                        {
                            "$ref": "Headers",
                            "name": "headers",
                            "description": "HTTP request headers."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "postData",
                            "description": "HTTP POST request data."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "hasPostData",
                            "description": "True when the request has POST data. Note that postData might still be omitted when this flag is true when the data is too long."
                        },
                        {
                            "$ref": "Security.MixedContentType",
                            "optional": true,
                            "name": "mixedContentType",
                            "description": "The mixed content type of the request."
                        },
                        {
                            "$ref": "ResourcePriority",
                            "name": "initialPriority",
                            "description": "Priority of the resource request at the time request is sent."
                        },
                        {
                            "enum": [
                                "unsafe-url",
                                "no-referrer-when-downgrade",
                                "no-referrer",
                                "origin",
                                "origin-when-cross-origin",
                                "same-origin",
                                "strict-origin",
                                "strict-origin-when-cross-origin"
                            ],
                            "type": "string",
                            "name": "referrerPolicy",
                            "description": "The referrer policy of the request, as defined in https://www.w3.org/TR/referrer-policy/"
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isLinkPreload",
                            "description": "Whether is loaded via link preload."
                        }
                    ],
                    "type": "object",
                    "id": "Request",
                    "description": "HTTP request data."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "status",
                            "description": "Validation status."
                        },
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin."
                        },
                        {
                            "type": "string",
                            "name": "logDescription",
                            "description": "Log name / description."
                        },
                        {
                            "type": "string",
                            "name": "logId",
                            "description": "Log ID."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "name": "timestamp",
                            "description": "Issuance date."
                        },
                        {
                            "type": "string",
                            "name": "hashAlgorithm",
                            "description": "Hash algorithm."
                        },
                        {
                            "type": "string",
                            "name": "signatureAlgorithm",
                            "description": "Signature algorithm."
                        },
                        {
                            "type": "string",
                            "name": "signatureData",
                            "description": "Signature data."
                        }
                    ],
                    "type": "object",
                    "id": "SignedCertificateTimestamp",
                    "description": "Details of a signed certificate timestamp (SCT)."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "protocol",
                            "description": "Protocol name (e.g. \"TLS 1.2\" or \"QUIC\")."
                        },
                        {
                            "type": "string",
                            "name": "keyExchange",
                            "description": "Key Exchange used by the connection, or the empty string if not applicable."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "keyExchangeGroup",
                            "description": "(EC)DH group used by the connection, if applicable."
                        },
                        {
                            "type": "string",
                            "name": "cipher",
                            "description": "Cipher name."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "mac",
                            "description": "TLS MAC. Note that AEAD ciphers do not have separate MACs."
                        },
                        {
                            "$ref": "Security.CertificateId",
                            "name": "certificateId",
                            "description": "Certificate ID value."
                        },
                        {
                            "type": "string",
                            "name": "subjectName",
                            "description": "Certificate subject name."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "sanList",
                            "description": "Subject Alternative Name (SAN) DNS names and IP addresses."
                        },
                        {
                            "type": "string",
                            "name": "issuer",
                            "description": "Name of the issuing CA."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "name": "validFrom",
                            "description": "Certificate valid from date."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "name": "validTo",
                            "description": "Certificate valid to (expiration) date"
                        },
                        {
                            "items": {
                                "$ref": "SignedCertificateTimestamp"
                            },
                            "type": "array",
                            "name": "signedCertificateTimestampList",
                            "description": "List of signed certificate timestamps (SCTs)."
                        },
                        {
                            "$ref": "CertificateTransparencyCompliance",
                            "name": "certificateTransparencyCompliance",
                            "description": "Whether the request complied with Certificate Transparency policy"
                        }
                    ],
                    "type": "object",
                    "id": "SecurityDetails",
                    "description": "Security details about a request."
                },
                {
                    "enum": [
                        "unknown",
                        "not-compliant",
                        "compliant"
                    ],
                    "type": "string",
                    "id": "CertificateTransparencyCompliance",
                    "description": "Whether the request complied with Certificate Transparency policy."
                },
                {
                    "enum": [
                        "other",
                        "csp",
                        "mixed-content",
                        "origin",
                        "inspector",
                        "subresource-filter",
                        "content-type"
                    ],
                    "type": "string",
                    "id": "BlockedReason",
                    "description": "The reason why request was blocked."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Response URL. This URL can be different from CachedResource.url in case of redirect."
                        },
                        {
                            "type": "integer",
                            "name": "status",
                            "description": "HTTP response status code."
                        },
                        {
                            "type": "string",
                            "name": "statusText",
                            "description": "HTTP response status text."
                        },
                        {
                            "$ref": "Headers",
                            "name": "headers",
                            "description": "HTTP response headers."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "headersText",
                            "description": "HTTP response headers text."
                        },
                        {
                            "type": "string",
                            "name": "mimeType",
                            "description": "Resource mimeType as determined by the browser."
                        },
                        {
                            "$ref": "Headers",
                            "optional": true,
                            "name": "requestHeaders",
                            "description": "Refined HTTP request headers that were actually transmitted over the network."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "requestHeadersText",
                            "description": "HTTP request headers text."
                        },
                        {
                            "type": "boolean",
                            "name": "connectionReused",
                            "description": "Specifies whether physical connection was actually reused for this request."
                        },
                        {
                            "type": "number",
                            "name": "connectionId",
                            "description": "Physical connection id that was actually used for this request."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "remoteIPAddress",
                            "description": "Remote IP address."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "remotePort",
                            "description": "Remote port."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "fromDiskCache",
                            "description": "Specifies that the request was served from the disk cache."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "fromServiceWorker",
                            "description": "Specifies that the request was served from the ServiceWorker."
                        },
                        {
                            "type": "number",
                            "name": "encodedDataLength",
                            "description": "Total number of bytes received for this request so far."
                        },
                        {
                            "$ref": "ResourceTiming",
                            "optional": true,
                            "name": "timing",
                            "description": "Timing information for the given request."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "protocol",
                            "description": "Protocol used to fetch this request."
                        },
                        {
                            "$ref": "Security.SecurityState",
                            "name": "securityState",
                            "description": "Security state of the request resource."
                        },
                        {
                            "$ref": "SecurityDetails",
                            "optional": true,
                            "name": "securityDetails",
                            "description": "Security details for the request."
                        }
                    ],
                    "type": "object",
                    "id": "Response",
                    "description": "HTTP response data."
                },
                {
                    "properties": [
                        {
                            "$ref": "Headers",
                            "name": "headers",
                            "description": "HTTP request headers."
                        }
                    ],
                    "type": "object",
                    "id": "WebSocketRequest",
                    "description": "WebSocket request data."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "status",
                            "description": "HTTP response status code."
                        },
                        {
                            "type": "string",
                            "name": "statusText",
                            "description": "HTTP response status text."
                        },
                        {
                            "$ref": "Headers",
                            "name": "headers",
                            "description": "HTTP response headers."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "headersText",
                            "description": "HTTP response headers text."
                        },
                        {
                            "$ref": "Headers",
                            "optional": true,
                            "name": "requestHeaders",
                            "description": "HTTP request headers."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "requestHeadersText",
                            "description": "HTTP request headers text."
                        }
                    ],
                    "type": "object",
                    "id": "WebSocketResponse",
                    "description": "WebSocket response data."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "opcode",
                            "description": "WebSocket frame opcode."
                        },
                        {
                            "type": "boolean",
                            "name": "mask",
                            "description": "WebSocke frame mask."
                        },
                        {
                            "type": "string",
                            "name": "payloadData",
                            "description": "WebSocke frame payload data."
                        }
                    ],
                    "type": "object",
                    "id": "WebSocketFrame",
                    "description": "WebSocket frame data."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Resource URL. This is the url of the original network request."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "name": "type",
                            "description": "Type of this resource."
                        },
                        {
                            "$ref": "Response",
                            "optional": true,
                            "name": "response",
                            "description": "Cached response data."
                        },
                        {
                            "type": "number",
                            "name": "bodySize",
                            "description": "Cached response body size."
                        }
                    ],
                    "type": "object",
                    "id": "CachedResource",
                    "description": "Information about the cached resource."
                },
                {
                    "properties": [
                        {
                            "enum": [
                                "parser",
                                "script",
                                "preload",
                                "SignedExchange",
                                "other"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of this initiator."
                        },
                        {
                            "$ref": "Runtime.StackTrace",
                            "optional": true,
                            "name": "stack",
                            "description": "Initiator JavaScript stack trace, set for Script only."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "Initiator URL, set for Parser type or for Script type (when script is importing module) or for SignedExchange type."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "lineNumber",
                            "description": "Initiator line number, set for Parser type or for Script type (when script is importing\nmodule) (0-based)."
                        }
                    ],
                    "type": "object",
                    "id": "Initiator",
                    "description": "Information about the request initiator."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Cookie name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Cookie value."
                        },
                        {
                            "type": "string",
                            "name": "domain",
                            "description": "Cookie domain."
                        },
                        {
                            "type": "string",
                            "name": "path",
                            "description": "Cookie path."
                        },
                        {
                            "type": "number",
                            "name": "expires",
                            "description": "Cookie expiration date as the number of seconds since the UNIX epoch."
                        },
                        {
                            "type": "integer",
                            "name": "size",
                            "description": "Cookie size."
                        },
                        {
                            "type": "boolean",
                            "name": "httpOnly",
                            "description": "True if cookie is http-only."
                        },
                        {
                            "type": "boolean",
                            "name": "secure",
                            "description": "True if cookie is secure."
                        },
                        {
                            "type": "boolean",
                            "name": "session",
                            "description": "True in case of session cookie."
                        },
                        {
                            "$ref": "CookieSameSite",
                            "optional": true,
                            "name": "sameSite",
                            "description": "Cookie SameSite type."
                        }
                    ],
                    "type": "object",
                    "id": "Cookie",
                    "description": "Cookie object"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Cookie name."
                        },
                        {
                            "type": "string",
                            "name": "value",
                            "description": "Cookie value."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "url",
                            "description": "The request-URI to associate with the setting of the cookie. This value can affect the\ndefault domain and path values of the created cookie."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "domain",
                            "description": "Cookie domain."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "path",
                            "description": "Cookie path."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "secure",
                            "description": "True if cookie is secure."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "httpOnly",
                            "description": "True if cookie is http-only."
                        },
                        {
                            "$ref": "CookieSameSite",
                            "optional": true,
                            "name": "sameSite",
                            "description": "Cookie SameSite type."
                        },
                        {
                            "$ref": "TimeSinceEpoch",
                            "optional": true,
                            "name": "expires",
                            "description": "Cookie expiration date, session cookie if not set"
                        }
                    ],
                    "type": "object",
                    "id": "CookieParam",
                    "description": "Cookie parameter object"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "enum": [
                                "Server",
                                "Proxy"
                            ],
                            "optional": true,
                            "name": "source",
                            "description": "Source of the authentication challenge."
                        },
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin of the challenger."
                        },
                        {
                            "type": "string",
                            "name": "scheme",
                            "description": "The authentication scheme used, such as basic or digest"
                        },
                        {
                            "type": "string",
                            "name": "realm",
                            "description": "The realm of the challenge. May be empty."
                        }
                    ],
                    "type": "object",
                    "id": "AuthChallenge",
                    "experimental": true,
                    "description": "Authorization challenge for HTTP status code 401 or 407."
                },
                {
                    "properties": [
                        {
                            "enum": [
                                "Default",
                                "CancelAuth",
                                "ProvideCredentials"
                            ],
                            "type": "string",
                            "name": "response",
                            "description": "The decision on what to do in response to the authorization challenge.  Default means\ndeferring to the default behavior of the net stack, which will likely either the Cancel\nauthentication or display a popup dialog box."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "username",
                            "description": "The username to provide, possibly empty. Should only be set if response is\nProvideCredentials."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "password",
                            "description": "The password to provide, possibly empty. Should only be set if response is\nProvideCredentials."
                        }
                    ],
                    "type": "object",
                    "id": "AuthChallengeResponse",
                    "experimental": true,
                    "description": "Response to an AuthChallenge."
                },
                {
                    "enum": [
                        "Request",
                        "HeadersReceived"
                    ],
                    "type": "string",
                    "id": "InterceptionStage",
                    "experimental": true,
                    "description": "Stages of the interception to begin intercepting. Request will intercept before the request is\nsent. Response will intercept after the response is received."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "urlPattern",
                            "description": "Wildcards ('*' -> zero or more, '?' -> exactly one) are allowed. Escape character is\nbackslash. Omitting is equivalent to \"*\"."
                        },
                        {
                            "$ref": "Page.ResourceType",
                            "optional": true,
                            "name": "resourceType",
                            "description": "If set, only requests for matching resource types will be intercepted."
                        },
                        {
                            "$ref": "InterceptionStage",
                            "optional": true,
                            "name": "interceptionStage",
                            "description": "Stage at wich to begin intercepting requests. Default is Request."
                        }
                    ],
                    "type": "object",
                    "id": "RequestPattern",
                    "experimental": true,
                    "description": "Request pattern for interception."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "label",
                            "description": "Signed exchange signature label."
                        },
                        {
                            "type": "string",
                            "name": "integrity",
                            "description": "Signed exchange signature integrity."
                        },
                        {
                            "type": "string",
                            "name": "certUrl",
                            "description": "Signed exchange signature cert Url."
                        },
                        {
                            "type": "string",
                            "name": "validityUrl",
                            "description": "Signed exchange signature validity Url."
                        },
                        {
                            "type": "integer",
                            "name": "date",
                            "description": "Signed exchange signature date."
                        },
                        {
                            "type": "integer",
                            "name": "expires",
                            "description": "Signed exchange signature expires."
                        }
                    ],
                    "type": "object",
                    "id": "SignedExchangeSignature",
                    "experimental": true,
                    "description": "Information about a signed exchange signature.\nhttps://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#rfc.section.3.1"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "requestUrl",
                            "description": "Signed exchange request URL."
                        },
                        {
                            "type": "string",
                            "name": "requestMethod",
                            "description": "Signed exchange request method."
                        },
                        {
                            "type": "integer",
                            "name": "responseCode",
                            "description": "Signed exchange response code."
                        },
                        {
                            "$ref": "Headers",
                            "name": "responseHeaders",
                            "description": "Signed exchange response headers."
                        },
                        {
                            "items": {
                                "$ref": "SignedExchangeSignature"
                            },
                            "type": "array",
                            "name": "signatures",
                            "description": "Signed exchange response signature."
                        }
                    ],
                    "type": "object",
                    "id": "SignedExchangeHeader",
                    "experimental": true,
                    "description": "Information about a signed exchange header.\nhttps://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#cbor-representation"
                },
                {
                    "properties": [
                        {
                            "$ref": "Response",
                            "name": "outerResponse",
                            "description": "The outer response of signed HTTP exchange which was received from network."
                        },
                        {
                            "$ref": "SignedExchangeHeader",
                            "optional": true,
                            "name": "header",
                            "description": "Information about the signed exchange header."
                        },
                        {
                            "$ref": "SecurityDetails",
                            "optional": true,
                            "name": "securityDetails",
                            "description": "Security details for the signed exchange header."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "errors",
                            "description": "Errors occurred while handling the signed exchagne."
                        }
                    ],
                    "type": "object",
                    "id": "SignedExchangeInfo",
                    "experimental": true,
                    "description": "Information about a signed exchange response."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables domain notifications."
                },
                {
                    "name": "enable",
                    "description": "Enables domain notifications."
                },
                {
                    "returns": [
                        {
                            "type": "object",
                            "name": "highlight",
                            "description": "Highlight data for the node."
                        }
                    ],
                    "name": "getHighlightObjectForTest",
                    "parameters": [
                        {
                            "$ref": "DOM.NodeId",
                            "name": "nodeId",
                            "description": "Id of the node to get highlight object for."
                        }
                    ],
                    "description": "For testing."
                },
                {
                    "name": "hideHighlight",
                    "description": "Hides any highlight."
                },
                {
                    "name": "highlightFrame",
                    "parameters": [
                        {
                            "$ref": "Page.FrameId",
                            "name": "frameId",
                            "description": "Identifier of the frame to highlight."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "contentColor",
                            "description": "The content box highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "contentOutlineColor",
                            "description": "The content box highlight outline color (default: transparent)."
                        }
                    ],
                    "description": "Highlights owner element of the frame with given id."
                },
                {
                    "name": "highlightNode",
                    "parameters": [
                        {
                            "$ref": "HighlightConfig",
                            "name": "highlightConfig",
                            "description": "A descriptor for the highlight appearance."
                        },
                        {
                            "$ref": "DOM.NodeId",
                            "optional": true,
                            "name": "nodeId",
                            "description": "Identifier of the node to highlight."
                        },
                        {
                            "$ref": "DOM.BackendNodeId",
                            "optional": true,
                            "name": "backendNodeId",
                            "description": "Identifier of the backend node to highlight."
                        },
                        {
                            "$ref": "Runtime.RemoteObjectId",
                            "optional": true,
                            "name": "objectId",
                            "description": "JavaScript object id of the node to be highlighted."
                        }
                    ],
                    "description": "Highlights DOM node with given id or with the given JavaScript object wrapper. Either nodeId or\nobjectId must be specified."
                },
                {
                    "name": "highlightQuad",
                    "parameters": [
                        {
                            "$ref": "DOM.Quad",
                            "name": "quad",
                            "description": "Quad to highlight"
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "color",
                            "description": "The highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "outlineColor",
                            "description": "The highlight outline color (default: transparent)."
                        }
                    ],
                    "description": "Highlights given quad. Coordinates are absolute with respect to the main frame viewport."
                },
                {
                    "name": "highlightRect",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "x",
                            "description": "X coordinate"
                        },
                        {
                            "type": "integer",
                            "name": "y",
                            "description": "Y coordinate"
                        },
                        {
                            "type": "integer",
                            "name": "width",
                            "description": "Rectangle width"
                        },
                        {
                            "type": "integer",
                            "name": "height",
                            "description": "Rectangle height"
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "color",
                            "description": "The highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "outlineColor",
                            "description": "The highlight outline color (default: transparent)."
                        }
                    ],
                    "description": "Highlights given rectangle. Coordinates are absolute with respect to the main frame viewport."
                },
                {
                    "name": "setInspectMode",
                    "parameters": [
                        {
                            "$ref": "InspectMode",
                            "name": "mode",
                            "description": "Set an inspection mode."
                        },
                        {
                            "$ref": "HighlightConfig",
                            "optional": true,
                            "name": "highlightConfig",
                            "description": "A descriptor for the highlight appearance of hovered-over nodes. May be omitted if `enabled\n== false`."
                        }
                    ],
                    "description": "Enters the 'inspect' mode. In this mode, elements that user is hovering over are highlighted.\nBackend then generates 'inspectNodeRequested' event upon element selection."
                },
                {
                    "name": "setPausedInDebuggerMessage",
                    "parameters": [
                        {
                            "type": "string",
                            "optional": true,
                            "name": "message",
                            "description": "The message to display, also triggers resume and step over controls."
                        }
                    ]
                },
                {
                    "name": "setShowDebugBorders",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "show",
                            "description": "True for showing debug borders"
                        }
                    ],
                    "description": "Requests that backend shows debug borders on layers"
                },
                {
                    "name": "setShowFPSCounter",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "show",
                            "description": "True for showing the FPS counter"
                        }
                    ],
                    "description": "Requests that backend shows the FPS counter"
                },
                {
                    "name": "setShowPaintRects",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "True for showing paint rectangles"
                        }
                    ],
                    "description": "Requests that backend shows paint rectangles"
                },
                {
                    "name": "setShowScrollBottleneckRects",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "show",
                            "description": "True for showing scroll bottleneck rects"
                        }
                    ],
                    "description": "Requests that backend shows scroll bottleneck rects"
                },
                {
                    "name": "setShowViewportSizeOnResize",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "show",
                            "description": "Whether to paint size or not."
                        }
                    ],
                    "description": "Paints viewport size upon main frame resize."
                },
                {
                    "name": "setSuspended",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "suspended",
                            "description": "Whether overlay should be suspended and not consume any resources until resumed."
                        }
                    ]
                }
            ],
            "description": "This domain provides various functionality related to drawing atop the inspected page.",
            "domain": "Overlay",
            "dependencies": [
                "DOM",
                "Page",
                "Runtime"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "inspectNodeRequested",
                    "parameters": [
                        {
                            "$ref": "DOM.BackendNodeId",
                            "name": "backendNodeId",
                            "description": "Id of the node to inspect."
                        }
                    ],
                    "description": "Fired when the node should be inspected. This happens after call to `setInspectMode` or when\nuser manually inspects an element."
                },
                {
                    "name": "nodeHighlightRequested",
                    "parameters": [
                        {
                            "name": "nodeId",
                            "$ref": "DOM.NodeId"
                        }
                    ],
                    "description": "Fired when the node should be highlighted. This happens after call to `setInspectMode`."
                },
                {
                    "name": "screenshotRequested",
                    "parameters": [
                        {
                            "$ref": "Page.Viewport",
                            "name": "viewport",
                            "description": "Viewport to capture, in CSS."
                        }
                    ],
                    "description": "Fired when user asks to capture screenshot of some area on the page."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "showInfo",
                            "description": "Whether the node info tooltip should be shown (default: false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "showRulers",
                            "description": "Whether the rulers should be shown (default: false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "showExtensionLines",
                            "description": "Whether the extension lines from node to the rulers should be shown (default: false)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "displayAsMaterial"
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "contentColor",
                            "description": "The content box highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "paddingColor",
                            "description": "The padding highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "borderColor",
                            "description": "The border highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "marginColor",
                            "description": "The margin highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "eventTargetColor",
                            "description": "The event target element highlight fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "shapeColor",
                            "description": "The shape outside fill color (default: transparent)."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "shapeMarginColor",
                            "description": "The shape margin fill color (default: transparent)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "selectorList",
                            "description": "Selectors to highlight relevant nodes."
                        },
                        {
                            "$ref": "DOM.RGBA",
                            "optional": true,
                            "name": "cssGridColor",
                            "description": "The grid layout color (default: transparent)."
                        }
                    ],
                    "type": "object",
                    "id": "HighlightConfig",
                    "description": "Configuration data for the highlighting of page elements."
                },
                {
                    "enum": [
                        "searchForNode",
                        "searchForUAShadowDOM",
                        "none"
                    ],
                    "type": "string",
                    "id": "InspectMode"
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "addScriptToEvaluateOnLoad",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "scriptSource"
                        }
                    ],
                    "deprecated": true,
                    "returns": [
                        {
                            "$ref": "ScriptIdentifier",
                            "name": "identifier",
                            "description": "Identifier of the added script."
                        }
                    ],
                    "experimental": true,
                    "description": "Deprecated, please use addScriptToEvaluateOnNewDocument instead."
                },
                {
                    "returns": [
                        {
                            "$ref": "ScriptIdentifier",
                            "name": "identifier",
                            "description": "Identifier of the added script."
                        }
                    ],
                    "name": "addScriptToEvaluateOnNewDocument",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "source"
                        }
                    ],
                    "description": "Evaluates given script in every frame upon creation (before loading frame's scripts)."
                },
                {
                    "name": "bringToFront",
                    "description": "Brings page to front (activates tab)."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "data",
                            "description": "Base64-encoded image data."
                        }
                    ],
                    "name": "captureScreenshot",
                    "parameters": [
                        {
                            "type": "string",
                            "enum": [
                                "jpeg",
                                "png"
                            ],
                            "optional": true,
                            "name": "format",
                            "description": "Image compression format (defaults to png)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "quality",
                            "description": "Compression quality from range [0..100] (jpeg only)."
                        },
                        {
                            "$ref": "Viewport",
                            "optional": true,
                            "name": "clip",
                            "description": "Capture the screenshot of a given region only."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "fromSurface",
                            "experimental": true,
                            "description": "Capture the screenshot from the surface, rather than the view. Defaults to true."
                        }
                    ],
                    "description": "Capture page screenshot."
                },
                {
                    "redirect": "Emulation",
                    "deprecated": true,
                    "name": "clearDeviceMetricsOverride",
                    "experimental": true,
                    "description": "Clears the overriden device metrics."
                },
                {
                    "redirect": "DeviceOrientation",
                    "deprecated": true,
                    "name": "clearDeviceOrientationOverride",
                    "experimental": true,
                    "description": "Clears the overridden Device Orientation."
                },
                {
                    "redirect": "Emulation",
                    "deprecated": true,
                    "name": "clearGeolocationOverride",
                    "description": "Clears the overriden Geolocation Position and Error."
                },
                {
                    "returns": [
                        {
                            "$ref": "Runtime.ExecutionContextId",
                            "name": "executionContextId",
                            "description": "Execution context of the isolated world."
                        }
                    ],
                    "name": "createIsolatedWorld",
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame in which the isolated world should be created."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "worldName",
                            "description": "An optional name which is reported in the Execution Context."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "grantUniveralAccess",
                            "description": "Whether or not universal access should be granted to the isolated world. This is a powerful\noption, use with caution."
                        }
                    ],
                    "description": "Creates an isolated world for the given frame."
                },
                {
                    "redirect": "Network",
                    "name": "deleteCookie",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "cookieName",
                            "description": "Name of the cookie to remove."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL to match cooke domain and path."
                        }
                    ],
                    "deprecated": true,
                    "experimental": true,
                    "description": "Deletes browser cookie with given name, domain and path."
                },
                {
                    "name": "disable",
                    "description": "Disables page domain notifications."
                },
                {
                    "name": "enable",
                    "description": "Enables page domain notifications."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Manifest location."
                        },
                        {
                            "items": {
                                "$ref": "AppManifestError"
                            },
                            "type": "array",
                            "name": "errors"
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "data",
                            "description": "Manifest content."
                        }
                    ],
                    "name": "getAppManifest"
                },
                {
                    "redirect": "Network",
                    "name": "getCookies",
                    "deprecated": true,
                    "returns": [
                        {
                            "items": {
                                "$ref": "Network.Cookie"
                            },
                            "type": "array",
                            "name": "cookies",
                            "description": "Array of cookie objects."
                        }
                    ],
                    "experimental": true,
                    "description": "Returns all browser cookies. Depending on the backend support, will return detailed cookie\ninformation in the `cookies` field."
                },
                {
                    "returns": [
                        {
                            "$ref": "FrameTree",
                            "name": "frameTree",
                            "description": "Present frame tree structure."
                        }
                    ],
                    "name": "getFrameTree",
                    "description": "Returns present frame tree structure."
                },
                {
                    "returns": [
                        {
                            "$ref": "LayoutViewport",
                            "name": "layoutViewport",
                            "description": "Metrics relating to the layout viewport."
                        },
                        {
                            "$ref": "VisualViewport",
                            "name": "visualViewport",
                            "description": "Metrics relating to the visual viewport."
                        },
                        {
                            "$ref": "DOM.Rect",
                            "name": "contentSize",
                            "description": "Size of scrollable area."
                        }
                    ],
                    "name": "getLayoutMetrics",
                    "description": "Returns metrics relating to the layouting of the page, such as viewport bounds/scale."
                },
                {
                    "returns": [
                        {
                            "type": "integer",
                            "name": "currentIndex",
                            "description": "Index of the current navigation history entry."
                        },
                        {
                            "items": {
                                "$ref": "NavigationEntry"
                            },
                            "type": "array",
                            "name": "entries",
                            "description": "Array of navigation history entries."
                        }
                    ],
                    "name": "getNavigationHistory",
                    "description": "Returns navigation history for the current page."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "content",
                            "description": "Resource content."
                        },
                        {
                            "type": "boolean",
                            "name": "base64Encoded",
                            "description": "True, if content was served as base64."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Frame id to get resource for."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL of the resource to get content for."
                        }
                    ],
                    "name": "getResourceContent",
                    "experimental": true,
                    "description": "Returns content of the given resource."
                },
                {
                    "returns": [
                        {
                            "$ref": "FrameResourceTree",
                            "name": "frameTree",
                            "description": "Present frame / resource tree structure."
                        }
                    ],
                    "name": "getResourceTree",
                    "experimental": true,
                    "description": "Returns present frame / resource tree structure."
                },
                {
                    "name": "handleJavaScriptDialog",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "accept",
                            "description": "Whether to accept or dismiss the dialog."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "promptText",
                            "description": "The text to enter into the dialog prompt before accepting. Used only if this is a prompt\ndialog."
                        }
                    ],
                    "description": "Accepts or dismisses a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload)."
                },
                {
                    "returns": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Frame id that has navigated (or failed to navigate)"
                        },
                        {
                            "$ref": "Network.LoaderId",
                            "optional": true,
                            "name": "loaderId",
                            "description": "Loader identifier."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "errorText",
                            "description": "User friendly error message, present if and only if navigation has failed."
                        }
                    ],
                    "name": "navigate",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL to navigate the page to."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "referrer",
                            "description": "Referrer URL."
                        },
                        {
                            "$ref": "TransitionType",
                            "optional": true,
                            "name": "transitionType",
                            "description": "Intended transition type."
                        },
                        {
                            "$ref": "FrameId",
                            "optional": true,
                            "name": "frameId",
                            "description": "Frame id to navigate, if not specified navigates the top frame."
                        }
                    ],
                    "description": "Navigates current page to the given URL."
                },
                {
                    "name": "navigateToHistoryEntry",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "entryId",
                            "description": "Unique id of the entry to navigate to."
                        }
                    ],
                    "description": "Navigates current page to the given history entry."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "data",
                            "description": "Base64-encoded pdf data."
                        }
                    ],
                    "name": "printToPDF",
                    "parameters": [
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "landscape",
                            "description": "Paper orientation. Defaults to false."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "displayHeaderFooter",
                            "description": "Display header and footer. Defaults to false."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "printBackground",
                            "description": "Print background graphics. Defaults to false."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scale",
                            "description": "Scale of the webpage rendering. Defaults to 1."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "paperWidth",
                            "description": "Paper width in inches. Defaults to 8.5 inches."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "paperHeight",
                            "description": "Paper height in inches. Defaults to 11 inches."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "marginTop",
                            "description": "Top margin in inches. Defaults to 1cm (~0.4 inches)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "marginBottom",
                            "description": "Bottom margin in inches. Defaults to 1cm (~0.4 inches)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "marginLeft",
                            "description": "Left margin in inches. Defaults to 1cm (~0.4 inches)."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "marginRight",
                            "description": "Right margin in inches. Defaults to 1cm (~0.4 inches)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "pageRanges",
                            "description": "Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means\nprint all pages."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "ignoreInvalidPageRanges",
                            "description": "Whether to silently ignore invalid but successfully parsed page ranges, such as '3-2'.\nDefaults to false."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "headerTemplate",
                            "description": "HTML template for the print header. Should be valid HTML markup with following\nclasses used to inject printing values into them:\n- `date`: formatted print date\n- `title`: document title\n- `url`: document location\n- `pageNumber`: current page number\n- `totalPages`: total pages in the document\n\nFor example, `<span class=title></span>` would generate span containing the title."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "footerTemplate",
                            "description": "HTML template for the print footer. Should use the same format as the `headerTemplate`."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "preferCSSPageSize",
                            "description": "Whether or not to prefer page size as defined by css. Defaults to false,\nin which case the content will be scaled to fit the paper size."
                        }
                    ],
                    "description": "Print page as PDF."
                },
                {
                    "name": "reload",
                    "parameters": [
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "ignoreCache",
                            "description": "If true, browser cache is ignored (as if the user pressed Shift+refresh)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "scriptToEvaluateOnLoad",
                            "description": "If set, the script will be injected into all frames of the inspected page after reload.\nArgument will be ignored if reloading dataURL origin."
                        }
                    ],
                    "description": "Reloads given page optionally ignoring the cache."
                },
                {
                    "deprecated": true,
                    "parameters": [
                        {
                            "name": "identifier",
                            "$ref": "ScriptIdentifier"
                        }
                    ],
                    "name": "removeScriptToEvaluateOnLoad",
                    "experimental": true,
                    "description": "Deprecated, please use removeScriptToEvaluateOnNewDocument instead."
                },
                {
                    "name": "removeScriptToEvaluateOnNewDocument",
                    "parameters": [
                        {
                            "name": "identifier",
                            "$ref": "ScriptIdentifier"
                        }
                    ],
                    "description": "Removes given script from the list."
                },
                {
                    "name": "requestAppBanner",
                    "experimental": true
                },
                {
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "sessionId",
                            "description": "Frame number."
                        }
                    ],
                    "name": "screencastFrameAck",
                    "experimental": true,
                    "description": "Acknowledges that a screencast frame has been received by the frontend."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Debugger.SearchMatch"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "List of search matches."
                        }
                    ],
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Frame id for resource to search in."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL of the resource to search in."
                        },
                        {
                            "type": "string",
                            "name": "query",
                            "description": "String to search for."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "caseSensitive",
                            "description": "If true, search is case sensitive."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "isRegex",
                            "description": "If true, treats string parameter as regex."
                        }
                    ],
                    "name": "searchInResource",
                    "experimental": true,
                    "description": "Searches for given string in resource content."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "Whether to block ads."
                        }
                    ],
                    "name": "setAdBlockingEnabled",
                    "experimental": true,
                    "description": "Enable Chrome's experimental ad filter on all sites."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "Whether to bypass page CSP."
                        }
                    ],
                    "name": "setBypassCSP",
                    "experimental": true,
                    "description": "Enable page Content Security Policy by-passing."
                },
                {
                    "redirect": "Emulation",
                    "name": "setDeviceMetricsOverride",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "width",
                            "description": "Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override."
                        },
                        {
                            "type": "integer",
                            "name": "height",
                            "description": "Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override."
                        },
                        {
                            "type": "number",
                            "name": "deviceScaleFactor",
                            "description": "Overriding device scale factor value. 0 disables the override."
                        },
                        {
                            "type": "boolean",
                            "name": "mobile",
                            "description": "Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text\nautosizing and more."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scale",
                            "description": "Scale to apply to resulting view image."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "screenWidth",
                            "description": "Overriding screen width value in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "screenHeight",
                            "description": "Overriding screen height value in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "positionX",
                            "description": "Overriding view X position on screen in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "positionY",
                            "description": "Overriding view Y position on screen in pixels (minimum 0, maximum 10000000)."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "dontSetVisibleSize",
                            "description": "Do not set visible view size, rely upon explicit setVisibleSize call."
                        },
                        {
                            "$ref": "Emulation.ScreenOrientation",
                            "optional": true,
                            "name": "screenOrientation",
                            "description": "Screen orientation override."
                        },
                        {
                            "$ref": "Viewport",
                            "optional": true,
                            "name": "viewport",
                            "description": "The viewport dimensions and scale. If not set, the override is cleared."
                        }
                    ],
                    "deprecated": true,
                    "experimental": true,
                    "description": "Overrides the values of device screen dimensions (window.screen.width, window.screen.height,\nwindow.innerWidth, window.innerHeight, and \"device-width\"/\"device-height\"-related CSS media\nquery results)."
                },
                {
                    "redirect": "DeviceOrientation",
                    "name": "setDeviceOrientationOverride",
                    "parameters": [
                        {
                            "type": "number",
                            "name": "alpha",
                            "description": "Mock alpha"
                        },
                        {
                            "type": "number",
                            "name": "beta",
                            "description": "Mock beta"
                        },
                        {
                            "type": "number",
                            "name": "gamma",
                            "description": "Mock gamma"
                        }
                    ],
                    "deprecated": true,
                    "experimental": true,
                    "description": "Overrides the Device Orientation."
                },
                {
                    "name": "setDocumentContent",
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Frame id to set HTML for."
                        },
                        {
                            "type": "string",
                            "name": "html",
                            "description": "HTML content to set."
                        }
                    ],
                    "description": "Sets given markup as the document's HTML."
                },
                {
                    "parameters": [
                        {
                            "enum": [
                                "deny",
                                "allow",
                                "default"
                            ],
                            "type": "string",
                            "name": "behavior",
                            "description": "Whether to allow all or deny all download requests, or use default Chrome behavior if\navailable (otherwise deny)."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "downloadPath",
                            "description": "The default path to save downloaded files to. This is requred if behavior is set to 'allow'"
                        }
                    ],
                    "name": "setDownloadBehavior",
                    "experimental": true,
                    "description": "Set the behavior when downloading a file."
                },
                {
                    "redirect": "Emulation",
                    "deprecated": true,
                    "name": "setGeolocationOverride",
                    "parameters": [
                        {
                            "type": "number",
                            "optional": true,
                            "name": "latitude",
                            "description": "Mock latitude"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "longitude",
                            "description": "Mock longitude"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "accuracy",
                            "description": "Mock accuracy"
                        }
                    ],
                    "description": "Overrides the Geolocation Position or Error. Omitting any of the parameters emulates position\nunavailable."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "If true, starts emitting lifecycle events."
                        }
                    ],
                    "name": "setLifecycleEventsEnabled",
                    "experimental": true,
                    "description": "Controls whether page will emit lifecycle events."
                },
                {
                    "redirect": "Emulation",
                    "name": "setTouchEmulationEnabled",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled",
                            "description": "Whether the touch event emulation should be enabled."
                        },
                        {
                            "type": "string",
                            "enum": [
                                "mobile",
                                "desktop"
                            ],
                            "optional": true,
                            "name": "configuration",
                            "description": "Touch/gesture events configuration. Default: current platform."
                        }
                    ],
                    "deprecated": true,
                    "experimental": true,
                    "description": "Toggles mouse event-based touch event emulation."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "enum": [
                                "jpeg",
                                "png"
                            ],
                            "optional": true,
                            "name": "format",
                            "description": "Image compression format."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "quality",
                            "description": "Compression quality from range [0..100]."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxWidth",
                            "description": "Maximum screenshot width."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "maxHeight",
                            "description": "Maximum screenshot height."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "everyNthFrame",
                            "description": "Send every n-th frame."
                        }
                    ],
                    "name": "startScreencast",
                    "experimental": true,
                    "description": "Starts sending each frame using the `screencastFrame` event."
                },
                {
                    "name": "stopLoading",
                    "description": "Force the page stop all navigations and pending resource fetches."
                },
                {
                    "name": "crash",
                    "experimental": true,
                    "description": "Crashes renderer on the IO thread, generates minidumps."
                },
                {
                    "name": "close",
                    "experimental": true,
                    "description": "Tries to close page, running its beforeunload hooks, if any."
                },
                {
                    "parameters": [
                        {
                            "enum": [
                                "frozen",
                                "active"
                            ],
                            "type": "string",
                            "name": "state",
                            "description": "Target lifecycle state"
                        }
                    ],
                    "name": "setWebLifecycleState",
                    "experimental": true,
                    "description": "Tries to update the web lifecycle state of the page.\nIt will transition the page to the given state according to:\nhttps://github.com/WICG/web-lifecycle/"
                },
                {
                    "name": "stopScreencast",
                    "experimental": true,
                    "description": "Stops sending each frame in the `screencastFrame`."
                }
            ],
            "description": "Actions and events related to the inspected page belong to the page domain.",
            "domain": "Page",
            "dependencies": [
                "Debugger",
                "DOM",
                "Network"
            ],
            "events": [
                {
                    "name": "domContentEventFired",
                    "parameters": [
                        {
                            "name": "timestamp",
                            "$ref": "Network.MonotonicTime"
                        }
                    ]
                },
                {
                    "name": "frameAttached",
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has been attached."
                        },
                        {
                            "$ref": "FrameId",
                            "name": "parentFrameId",
                            "description": "Parent frame identifier."
                        },
                        {
                            "$ref": "Runtime.StackTrace",
                            "optional": true,
                            "name": "stack",
                            "description": "JavaScript stack trace of when frame was attached, only set if frame initiated from script."
                        }
                    ],
                    "description": "Fired when frame has been attached to its parent."
                },
                {
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has cleared its scheduled navigation."
                        }
                    ],
                    "name": "frameClearedScheduledNavigation",
                    "experimental": true,
                    "description": "Fired when frame no longer has a scheduled navigation."
                },
                {
                    "name": "frameDetached",
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has been detached."
                        }
                    ],
                    "description": "Fired when frame has been detached from its parent."
                },
                {
                    "name": "frameNavigated",
                    "parameters": [
                        {
                            "$ref": "Frame",
                            "name": "frame",
                            "description": "Frame object."
                        }
                    ],
                    "description": "Fired once navigation of the frame has completed. Frame is now associated with the new loader."
                },
                {
                    "name": "frameResized",
                    "experimental": true
                },
                {
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has scheduled a navigation."
                        },
                        {
                            "type": "number",
                            "name": "delay",
                            "description": "Delay (in seconds) until the navigation is scheduled to begin. The navigation is not\nguaranteed to start."
                        },
                        {
                            "enum": [
                                "formSubmissionGet",
                                "formSubmissionPost",
                                "httpHeaderRefresh",
                                "scriptInitiated",
                                "metaTagRefresh",
                                "pageBlockInterstitial",
                                "reload"
                            ],
                            "type": "string",
                            "name": "reason",
                            "description": "The reason for the navigation."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "The destination URL for the scheduled navigation."
                        }
                    ],
                    "name": "frameScheduledNavigation",
                    "experimental": true,
                    "description": "Fired when frame schedules a potential navigation."
                },
                {
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has started loading."
                        }
                    ],
                    "name": "frameStartedLoading",
                    "experimental": true,
                    "description": "Fired when frame has started loading."
                },
                {
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame that has stopped loading."
                        }
                    ],
                    "name": "frameStoppedLoading",
                    "experimental": true,
                    "description": "Fired when frame has stopped loading."
                },
                {
                    "name": "interstitialHidden",
                    "description": "Fired when interstitial page was hidden"
                },
                {
                    "name": "interstitialShown",
                    "description": "Fired when interstitial page was shown"
                },
                {
                    "name": "javascriptDialogClosed",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "result",
                            "description": "Whether dialog was confirmed."
                        },
                        {
                            "type": "string",
                            "name": "userInput",
                            "description": "User input in case of prompt."
                        }
                    ],
                    "description": "Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) has been\nclosed."
                },
                {
                    "name": "javascriptDialogOpening",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Frame url."
                        },
                        {
                            "type": "string",
                            "name": "message",
                            "description": "Message that will be displayed by the dialog."
                        },
                        {
                            "$ref": "DialogType",
                            "name": "type",
                            "description": "Dialog type."
                        },
                        {
                            "type": "boolean",
                            "name": "hasBrowserHandler",
                            "description": "True iff browser is capable showing or acting on the given dialog. When browser has no\ndialog handler for given target, calling alert while Page domain is engaged will stall\nthe page execution. Execution can be resumed via calling Page.handleJavaScriptDialog."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "defaultPrompt",
                            "description": "Default dialog prompt."
                        }
                    ],
                    "description": "Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) is about to\nopen."
                },
                {
                    "name": "lifecycleEvent",
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame."
                        },
                        {
                            "$ref": "Network.LoaderId",
                            "name": "loaderId",
                            "description": "Loader identifier. Empty string if the request is fetched from worker."
                        },
                        {
                            "type": "string",
                            "name": "name"
                        },
                        {
                            "name": "timestamp",
                            "$ref": "Network.MonotonicTime"
                        }
                    ],
                    "description": "Fired for top level page lifecycle events such as navigation, load, paint, etc."
                },
                {
                    "name": "loadEventFired",
                    "parameters": [
                        {
                            "name": "timestamp",
                            "$ref": "Network.MonotonicTime"
                        }
                    ]
                },
                {
                    "parameters": [
                        {
                            "$ref": "FrameId",
                            "name": "frameId",
                            "description": "Id of the frame."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Frame's new url."
                        }
                    ],
                    "name": "navigatedWithinDocument",
                    "experimental": true,
                    "description": "Fired when same-document navigation happens, e.g. due to history API usage or anchor navigation."
                },
                {
                    "parameters": [
                        {
                            "type": "string",
                            "name": "data",
                            "description": "Base64-encoded compressed image."
                        },
                        {
                            "$ref": "ScreencastFrameMetadata",
                            "name": "metadata",
                            "description": "Screencast frame metadata."
                        },
                        {
                            "type": "integer",
                            "name": "sessionId",
                            "description": "Frame number."
                        }
                    ],
                    "name": "screencastFrame",
                    "experimental": true,
                    "description": "Compressed image data requested by the `startScreencast`."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "visible",
                            "description": "True if the page is visible."
                        }
                    ],
                    "name": "screencastVisibilityChanged",
                    "experimental": true,
                    "description": "Fired when the page with currently enabled screencast was shown or hidden `."
                },
                {
                    "name": "windowOpen",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "The URL for the new window."
                        },
                        {
                            "type": "string",
                            "name": "windowName",
                            "description": "Window name."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "windowFeatures",
                            "description": "An array of enabled window features."
                        },
                        {
                            "type": "boolean",
                            "name": "userGesture",
                            "description": "Whether or not it was triggered by user gesture."
                        }
                    ],
                    "description": "Fired when a new window is going to be opened, via window.open(), link click, form submission,\netc."
                }
            ],
            "types": [
                {
                    "enum": [
                        "Document",
                        "Stylesheet",
                        "Image",
                        "Media",
                        "Font",
                        "Script",
                        "TextTrack",
                        "XHR",
                        "Fetch",
                        "EventSource",
                        "WebSocket",
                        "Manifest",
                        "SignedExchange",
                        "Other"
                    ],
                    "type": "string",
                    "id": "ResourceType",
                    "description": "Resource type as it was perceived by the rendering engine."
                },
                {
                    "type": "string",
                    "id": "FrameId",
                    "description": "Unique frame identifier."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "Frame unique identifier."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "parentId",
                            "description": "Parent frame identifier."
                        },
                        {
                            "$ref": "Network.LoaderId",
                            "name": "loaderId",
                            "description": "Identifier of the loader associated with this frame."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "name",
                            "description": "Frame's name as specified in the tag."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Frame document's URL."
                        },
                        {
                            "type": "string",
                            "name": "securityOrigin",
                            "description": "Frame document's security origin."
                        },
                        {
                            "type": "string",
                            "name": "mimeType",
                            "description": "Frame document's mimeType as determined by the browser."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "unreachableUrl",
                            "experimental": true,
                            "description": "If the frame failed to load, this contains the URL that could not be loaded."
                        }
                    ],
                    "type": "object",
                    "id": "Frame",
                    "description": "Information about the Frame on the page."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "Resource URL."
                        },
                        {
                            "$ref": "ResourceType",
                            "name": "type",
                            "description": "Type of this resource."
                        },
                        {
                            "type": "string",
                            "name": "mimeType",
                            "description": "Resource mimeType as determined by the browser."
                        },
                        {
                            "$ref": "Network.TimeSinceEpoch",
                            "optional": true,
                            "name": "lastModified",
                            "description": "last-modified timestamp as reported by server."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "contentSize",
                            "description": "Resource content size."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "failed",
                            "description": "True if the resource failed to load."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "canceled",
                            "description": "True if the resource was canceled during loading."
                        }
                    ],
                    "type": "object",
                    "id": "FrameResource",
                    "experimental": true,
                    "description": "Information about the Resource on the page."
                },
                {
                    "properties": [
                        {
                            "$ref": "Frame",
                            "name": "frame",
                            "description": "Frame information for this tree item."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "FrameResourceTree"
                            },
                            "optional": true,
                            "name": "childFrames",
                            "description": "Child frames."
                        },
                        {
                            "items": {
                                "$ref": "FrameResource"
                            },
                            "type": "array",
                            "name": "resources",
                            "description": "Information about frame resources."
                        }
                    ],
                    "type": "object",
                    "id": "FrameResourceTree",
                    "experimental": true,
                    "description": "Information about the Frame hierarchy along with their cached resources."
                },
                {
                    "properties": [
                        {
                            "$ref": "Frame",
                            "name": "frame",
                            "description": "Frame information for this tree item."
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "FrameTree"
                            },
                            "optional": true,
                            "name": "childFrames",
                            "description": "Child frames."
                        }
                    ],
                    "type": "object",
                    "id": "FrameTree",
                    "description": "Information about the Frame hierarchy."
                },
                {
                    "type": "string",
                    "id": "ScriptIdentifier",
                    "description": "Unique script identifier."
                },
                {
                    "enum": [
                        "link",
                        "typed",
                        "auto_bookmark",
                        "auto_subframe",
                        "manual_subframe",
                        "generated",
                        "auto_toplevel",
                        "form_submit",
                        "reload",
                        "keyword",
                        "keyword_generated",
                        "other"
                    ],
                    "type": "string",
                    "id": "TransitionType",
                    "description": "Transition type."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "id",
                            "description": "Unique id of the navigation history entry."
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL of the navigation history entry."
                        },
                        {
                            "type": "string",
                            "name": "userTypedURL",
                            "description": "URL that the user typed in the url bar."
                        },
                        {
                            "type": "string",
                            "name": "title",
                            "description": "Title of the navigation history entry."
                        },
                        {
                            "$ref": "TransitionType",
                            "name": "transitionType",
                            "description": "Transition type."
                        }
                    ],
                    "type": "object",
                    "id": "NavigationEntry",
                    "description": "Navigation history entry."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "offsetTop",
                            "description": "Top offset in DIP."
                        },
                        {
                            "type": "number",
                            "name": "pageScaleFactor",
                            "description": "Page scale factor."
                        },
                        {
                            "type": "number",
                            "name": "deviceWidth",
                            "description": "Device screen width in DIP."
                        },
                        {
                            "type": "number",
                            "name": "deviceHeight",
                            "description": "Device screen height in DIP."
                        },
                        {
                            "type": "number",
                            "name": "scrollOffsetX",
                            "description": "Position of horizontal scroll in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "scrollOffsetY",
                            "description": "Position of vertical scroll in CSS pixels."
                        },
                        {
                            "$ref": "Network.TimeSinceEpoch",
                            "optional": true,
                            "name": "timestamp",
                            "description": "Frame swap timestamp."
                        }
                    ],
                    "type": "object",
                    "id": "ScreencastFrameMetadata",
                    "experimental": true,
                    "description": "Screencast frame metadata."
                },
                {
                    "enum": [
                        "alert",
                        "confirm",
                        "prompt",
                        "beforeunload"
                    ],
                    "type": "string",
                    "id": "DialogType",
                    "description": "Javascript dialog type."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "message",
                            "description": "Error message."
                        },
                        {
                            "type": "integer",
                            "name": "critical",
                            "description": "If criticial, this is a non-recoverable parse error."
                        },
                        {
                            "type": "integer",
                            "name": "line",
                            "description": "Error line."
                        },
                        {
                            "type": "integer",
                            "name": "column",
                            "description": "Error column."
                        }
                    ],
                    "type": "object",
                    "id": "AppManifestError",
                    "description": "Error while paring app manifest."
                },
                {
                    "properties": [
                        {
                            "type": "integer",
                            "name": "pageX",
                            "description": "Horizontal offset relative to the document (CSS pixels)."
                        },
                        {
                            "type": "integer",
                            "name": "pageY",
                            "description": "Vertical offset relative to the document (CSS pixels)."
                        },
                        {
                            "type": "integer",
                            "name": "clientWidth",
                            "description": "Width (CSS pixels), excludes scrollbar if present."
                        },
                        {
                            "type": "integer",
                            "name": "clientHeight",
                            "description": "Height (CSS pixels), excludes scrollbar if present."
                        }
                    ],
                    "type": "object",
                    "id": "LayoutViewport",
                    "description": "Layout viewport position and dimensions."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "offsetX",
                            "description": "Horizontal offset relative to the layout viewport (CSS pixels)."
                        },
                        {
                            "type": "number",
                            "name": "offsetY",
                            "description": "Vertical offset relative to the layout viewport (CSS pixels)."
                        },
                        {
                            "type": "number",
                            "name": "pageX",
                            "description": "Horizontal offset relative to the document (CSS pixels)."
                        },
                        {
                            "type": "number",
                            "name": "pageY",
                            "description": "Vertical offset relative to the document (CSS pixels)."
                        },
                        {
                            "type": "number",
                            "name": "clientWidth",
                            "description": "Width (CSS pixels), excludes scrollbar if present."
                        },
                        {
                            "type": "number",
                            "name": "clientHeight",
                            "description": "Height (CSS pixels), excludes scrollbar if present."
                        },
                        {
                            "type": "number",
                            "name": "scale",
                            "description": "Scale relative to the ideal viewport (size at width=device-width)."
                        }
                    ],
                    "type": "object",
                    "id": "VisualViewport",
                    "description": "Visual viewport position, dimensions, and scale."
                },
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "x",
                            "description": "X offset in CSS pixels."
                        },
                        {
                            "type": "number",
                            "name": "y",
                            "description": "Y offset in CSS pixels"
                        },
                        {
                            "type": "number",
                            "name": "width",
                            "description": "Rectangle width in CSS pixels"
                        },
                        {
                            "type": "number",
                            "name": "height",
                            "description": "Rectangle height in CSS pixels"
                        },
                        {
                            "type": "number",
                            "name": "scale",
                            "description": "Page scale factor."
                        }
                    ],
                    "type": "object",
                    "id": "Viewport",
                    "description": "Viewport for capturing screenshot."
                }
            ]
        },
        {
            "domain": "Performance",
            "commands": [
                {
                    "name": "disable",
                    "description": "Disable collecting and reporting metrics."
                },
                {
                    "name": "enable",
                    "description": "Enable collecting and reporting metrics."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Metric"
                            },
                            "type": "array",
                            "name": "metrics",
                            "description": "Current values for run-time metrics."
                        }
                    ],
                    "name": "getMetrics",
                    "description": "Retrieve current values of run-time metrics."
                }
            ],
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Metric name."
                        },
                        {
                            "type": "number",
                            "name": "value",
                            "description": "Metric value."
                        }
                    ],
                    "type": "object",
                    "id": "Metric",
                    "description": "Run-time execution metric."
                }
            ],
            "events": [
                {
                    "name": "metrics",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "Metric"
                            },
                            "type": "array",
                            "name": "metrics",
                            "description": "Current values of the metrics."
                        },
                        {
                            "type": "string",
                            "name": "title",
                            "description": "Timestamp title."
                        }
                    ],
                    "description": "Current values of the metrics."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "disable",
                    "description": "Disables tracking security state changes."
                },
                {
                    "name": "enable",
                    "description": "Enables tracking security state changes."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "ignore",
                            "description": "If true, all certificate errors will be ignored."
                        }
                    ],
                    "name": "setIgnoreCertificateErrors",
                    "experimental": true,
                    "description": "Enable/disable whether all certificate errors should be ignored."
                },
                {
                    "deprecated": true,
                    "name": "handleCertificateError",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "eventId",
                            "description": "The ID of the event."
                        },
                        {
                            "$ref": "CertificateErrorAction",
                            "name": "action",
                            "description": "The action to take on the certificate error."
                        }
                    ],
                    "description": "Handles a certificate error that fired a certificateError event."
                },
                {
                    "deprecated": true,
                    "name": "setOverrideCertificateErrors",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "override",
                            "description": "If true, certificate errors will be overridden."
                        }
                    ],
                    "description": "Enable/disable overriding certificate errors. If enabled, all certificate error events need to\nbe handled by the DevTools client and should be answered with `handleCertificateError` commands."
                }
            ],
            "domain": "Security",
            "description": "Security",
            "types": [
                {
                    "type": "integer",
                    "id": "CertificateId",
                    "description": "An internal certificate ID value."
                },
                {
                    "enum": [
                        "blockable",
                        "optionally-blockable",
                        "none"
                    ],
                    "type": "string",
                    "id": "MixedContentType",
                    "description": "A description of mixed content (HTTP resources on HTTPS pages), as defined by\nhttps://www.w3.org/TR/mixed-content/#categories"
                },
                {
                    "enum": [
                        "unknown",
                        "neutral",
                        "insecure",
                        "secure",
                        "info"
                    ],
                    "type": "string",
                    "id": "SecurityState",
                    "description": "The security level of a page or resource."
                },
                {
                    "properties": [
                        {
                            "$ref": "SecurityState",
                            "name": "securityState",
                            "description": "Security state representing the severity of the factor being explained."
                        },
                        {
                            "type": "string",
                            "name": "title",
                            "description": "Title describing the type of factor."
                        },
                        {
                            "type": "string",
                            "name": "summary",
                            "description": "Short phrase describing the type of factor."
                        },
                        {
                            "type": "string",
                            "name": "description",
                            "description": "Full text explanation of the factor."
                        },
                        {
                            "$ref": "MixedContentType",
                            "name": "mixedContentType",
                            "description": "The type of mixed content described by the explanation."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "certificate",
                            "description": "Page certificate."
                        }
                    ],
                    "type": "object",
                    "id": "SecurityStateExplanation",
                    "description": "An explanation of an factor contributing to the security state."
                },
                {
                    "properties": [
                        {
                            "type": "boolean",
                            "name": "ranMixedContent",
                            "description": "True if the page was loaded over HTTPS and ran mixed (HTTP) content such as scripts."
                        },
                        {
                            "type": "boolean",
                            "name": "displayedMixedContent",
                            "description": "True if the page was loaded over HTTPS and displayed mixed (HTTP) content such as images."
                        },
                        {
                            "type": "boolean",
                            "name": "containedMixedForm",
                            "description": "True if the page was loaded over HTTPS and contained a form targeting an insecure url."
                        },
                        {
                            "type": "boolean",
                            "name": "ranContentWithCertErrors",
                            "description": "True if the page was loaded over HTTPS without certificate errors, and ran content such as\nscripts that were loaded with certificate errors."
                        },
                        {
                            "type": "boolean",
                            "name": "displayedContentWithCertErrors",
                            "description": "True if the page was loaded over HTTPS without certificate errors, and displayed content\nsuch as images that were loaded with certificate errors."
                        },
                        {
                            "$ref": "SecurityState",
                            "name": "ranInsecureContentStyle",
                            "description": "Security state representing a page that ran insecure content."
                        },
                        {
                            "$ref": "SecurityState",
                            "name": "displayedInsecureContentStyle",
                            "description": "Security state representing a page that displayed insecure content."
                        }
                    ],
                    "type": "object",
                    "id": "InsecureContentStatus",
                    "description": "Information about insecure content on the page."
                },
                {
                    "enum": [
                        "continue",
                        "cancel"
                    ],
                    "type": "string",
                    "id": "CertificateErrorAction",
                    "description": "The action to take when a certificate error occurs. continue will continue processing the\nrequest and cancel will cancel the request."
                }
            ],
            "events": [
                {
                    "deprecated": true,
                    "name": "certificateError",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "eventId",
                            "description": "The ID of the event."
                        },
                        {
                            "type": "string",
                            "name": "errorType",
                            "description": "The type of the error."
                        },
                        {
                            "type": "string",
                            "name": "requestURL",
                            "description": "The url that was requested."
                        }
                    ],
                    "description": "There is a certificate error. If overriding certificate errors is enabled, then it should be\nhandled with the `handleCertificateError` command. Note: this event does not fire if the\ncertificate error has been allowed internally. Only one client per target should override\ncertificate errors at the same time."
                },
                {
                    "name": "securityStateChanged",
                    "parameters": [
                        {
                            "$ref": "SecurityState",
                            "name": "securityState",
                            "description": "Security state."
                        },
                        {
                            "type": "boolean",
                            "name": "schemeIsCryptographic",
                            "description": "True if the page was loaded over cryptographic transport such as HTTPS."
                        },
                        {
                            "items": {
                                "$ref": "SecurityStateExplanation"
                            },
                            "type": "array",
                            "name": "explanations",
                            "description": "List of explanations for the security state. If the overall security state is `insecure` or\n`warning`, at least one corresponding explanation should be included."
                        },
                        {
                            "$ref": "InsecureContentStatus",
                            "name": "insecureContentStatus",
                            "description": "Information about insecure content on the page."
                        },
                        {
                            "type": "string",
                            "optional": true,
                            "name": "summary",
                            "description": "Overrides user-visible description of the state."
                        }
                    ],
                    "description": "The security state of the page changed."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "deliverPushMessage",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin"
                        },
                        {
                            "type": "string",
                            "name": "registrationId"
                        },
                        {
                            "type": "string",
                            "name": "data"
                        }
                    ]
                },
                {
                    "name": "disable"
                },
                {
                    "name": "dispatchSyncEvent",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin"
                        },
                        {
                            "type": "string",
                            "name": "registrationId"
                        },
                        {
                            "type": "string",
                            "name": "tag"
                        },
                        {
                            "type": "boolean",
                            "name": "lastChance"
                        }
                    ]
                },
                {
                    "name": "enable"
                },
                {
                    "name": "inspectWorker",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "versionId"
                        }
                    ]
                },
                {
                    "name": "setForceUpdateOnPageLoad",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "forceUpdateOnPageLoad"
                        }
                    ]
                },
                {
                    "name": "skipWaiting",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "scopeURL"
                        }
                    ]
                },
                {
                    "name": "startWorker",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "scopeURL"
                        }
                    ]
                },
                {
                    "name": "stopAllWorkers"
                },
                {
                    "name": "stopWorker",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "versionId"
                        }
                    ]
                },
                {
                    "name": "unregister",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "scopeURL"
                        }
                    ]
                },
                {
                    "name": "updateRegistration",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "scopeURL"
                        }
                    ]
                }
            ],
            "domain": "ServiceWorker",
            "types": [
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "registrationId"
                        },
                        {
                            "type": "string",
                            "name": "scopeURL"
                        },
                        {
                            "type": "boolean",
                            "name": "isDeleted"
                        }
                    ],
                    "type": "object",
                    "id": "ServiceWorkerRegistration",
                    "description": "ServiceWorker registration."
                },
                {
                    "enum": [
                        "stopped",
                        "starting",
                        "running",
                        "stopping"
                    ],
                    "type": "string",
                    "id": "ServiceWorkerVersionRunningStatus"
                },
                {
                    "enum": [
                        "new",
                        "installing",
                        "installed",
                        "activating",
                        "activated",
                        "redundant"
                    ],
                    "type": "string",
                    "id": "ServiceWorkerVersionStatus"
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "versionId"
                        },
                        {
                            "type": "string",
                            "name": "registrationId"
                        },
                        {
                            "type": "string",
                            "name": "scriptURL"
                        },
                        {
                            "name": "runningStatus",
                            "$ref": "ServiceWorkerVersionRunningStatus"
                        },
                        {
                            "name": "status",
                            "$ref": "ServiceWorkerVersionStatus"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scriptLastModified",
                            "description": "The Last-Modified header value of the main script."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "scriptResponseTime",
                            "description": "The time at which the response headers of the main script were received from the server.\nFor cached script it is the last time the cache entry was validated."
                        },
                        {
                            "type": "array",
                            "optional": true,
                            "name": "controlledClients",
                            "items": {
                                "$ref": "Target.TargetID"
                            }
                        },
                        {
                            "optional": true,
                            "name": "targetId",
                            "$ref": "Target.TargetID"
                        }
                    ],
                    "type": "object",
                    "id": "ServiceWorkerVersion",
                    "description": "ServiceWorker version."
                },
                {
                    "properties": [
                        {
                            "type": "string",
                            "name": "errorMessage"
                        },
                        {
                            "type": "string",
                            "name": "registrationId"
                        },
                        {
                            "type": "string",
                            "name": "versionId"
                        },
                        {
                            "type": "string",
                            "name": "sourceURL"
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber"
                        },
                        {
                            "type": "integer",
                            "name": "columnNumber"
                        }
                    ],
                    "type": "object",
                    "id": "ServiceWorkerErrorMessage",
                    "description": "ServiceWorker error message."
                }
            ],
            "experimental": true,
            "events": [
                {
                    "name": "workerErrorReported",
                    "parameters": [
                        {
                            "name": "errorMessage",
                            "$ref": "ServiceWorkerErrorMessage"
                        }
                    ]
                },
                {
                    "name": "workerRegistrationUpdated",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "ServiceWorkerRegistration"
                            },
                            "type": "array",
                            "name": "registrations"
                        }
                    ]
                },
                {
                    "name": "workerVersionUpdated",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "ServiceWorkerVersion"
                            },
                            "type": "array",
                            "name": "versions"
                        }
                    ]
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "clearDataForOrigin",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        },
                        {
                            "type": "string",
                            "name": "storageTypes",
                            "description": "Comma separated origin names."
                        }
                    ],
                    "description": "Clears storage for origin."
                },
                {
                    "returns": [
                        {
                            "type": "number",
                            "name": "usage",
                            "description": "Storage usage (bytes)."
                        },
                        {
                            "type": "number",
                            "name": "quota",
                            "description": "Storage quota (bytes)."
                        },
                        {
                            "items": {
                                "$ref": "UsageForType"
                            },
                            "type": "array",
                            "name": "usageBreakdown",
                            "description": "Storage usage per type (bytes)."
                        }
                    ],
                    "name": "getUsageAndQuota",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Returns usage and quota in bytes."
                },
                {
                    "name": "trackCacheStorageForOrigin",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Registers origin to be notified when an update occurs to its cache storage list."
                },
                {
                    "name": "trackIndexedDBForOrigin",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Registers origin to be notified when an update occurs to its IndexedDB."
                },
                {
                    "name": "untrackCacheStorageForOrigin",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Unregisters origin from receiving notifications for cache storage."
                },
                {
                    "name": "untrackIndexedDBForOrigin",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Security origin."
                        }
                    ],
                    "description": "Unregisters origin from receiving notifications for IndexedDB."
                }
            ],
            "domain": "Storage",
            "types": [
                {
                    "enum": [
                        "appcache",
                        "cookies",
                        "file_systems",
                        "indexeddb",
                        "local_storage",
                        "shader_cache",
                        "websql",
                        "service_workers",
                        "cache_storage",
                        "all",
                        "other"
                    ],
                    "type": "string",
                    "id": "StorageType",
                    "description": "Enum of possible storage types."
                },
                {
                    "properties": [
                        {
                            "$ref": "StorageType",
                            "name": "storageType",
                            "description": "Name of storage type."
                        },
                        {
                            "type": "number",
                            "name": "usage",
                            "description": "Storage usage (bytes)."
                        }
                    ],
                    "type": "object",
                    "id": "UsageForType",
                    "description": "Usage for a storage type."
                }
            ],
            "experimental": true,
            "events": [
                {
                    "name": "cacheStorageContentUpdated",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin to update."
                        },
                        {
                            "type": "string",
                            "name": "cacheName",
                            "description": "Name of cache in origin."
                        }
                    ],
                    "description": "A cache's contents have been modified."
                },
                {
                    "name": "cacheStorageListUpdated",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin to update."
                        }
                    ],
                    "description": "A cache has been added/deleted."
                },
                {
                    "name": "indexedDBContentUpdated",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin to update."
                        },
                        {
                            "type": "string",
                            "name": "databaseName",
                            "description": "Database to update."
                        },
                        {
                            "type": "string",
                            "name": "objectStoreName",
                            "description": "ObjectStore to update."
                        }
                    ],
                    "description": "The origin's IndexedDB object store has been modified."
                },
                {
                    "name": "indexedDBListUpdated",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Origin to update."
                        }
                    ],
                    "description": "The origin's IndexedDB database list has been modified."
                }
            ]
        },
        {
            "types": [
                {
                    "properties": [
                        {
                            "type": "number",
                            "name": "vendorId",
                            "description": "PCI ID of the GPU vendor, if available; 0 otherwise."
                        },
                        {
                            "type": "number",
                            "name": "deviceId",
                            "description": "PCI ID of the GPU device, if available; 0 otherwise."
                        },
                        {
                            "type": "string",
                            "name": "vendorString",
                            "description": "String description of the GPU vendor, if the PCI ID is not available."
                        },
                        {
                            "type": "string",
                            "name": "deviceString",
                            "description": "String description of the GPU device, if the PCI ID is not available."
                        }
                    ],
                    "type": "object",
                    "id": "GPUDevice",
                    "description": "Describes a single graphics processor (GPU)."
                },
                {
                    "properties": [
                        {
                            "items": {
                                "$ref": "GPUDevice"
                            },
                            "type": "array",
                            "name": "devices",
                            "description": "The graphics devices on the system. Element 0 is the primary GPU."
                        },
                        {
                            "type": "object",
                            "optional": true,
                            "name": "auxAttributes",
                            "description": "An optional dictionary of additional GPU related attributes."
                        },
                        {
                            "type": "object",
                            "optional": true,
                            "name": "featureStatus",
                            "description": "An optional dictionary of graphics features and their status."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "driverBugWorkarounds",
                            "description": "An optional array of GPU driver bug workarounds."
                        }
                    ],
                    "type": "object",
                    "id": "GPUInfo",
                    "description": "Provides information about the GPU(s) on the system."
                }
            ],
            "commands": [
                {
                    "returns": [
                        {
                            "$ref": "GPUInfo",
                            "name": "gpu",
                            "description": "Information about the GPUs on the system."
                        },
                        {
                            "type": "string",
                            "name": "modelName",
                            "description": "A platform-dependent description of the model of the machine. On Mac OS, this is, for\nexample, 'MacBookPro'. Will be the empty string if not supported."
                        },
                        {
                            "type": "string",
                            "name": "modelVersion",
                            "description": "A platform-dependent description of the version of the machine. On Mac OS, this is, for\nexample, '10.1'. Will be the empty string if not supported."
                        },
                        {
                            "type": "string",
                            "name": "commandLine",
                            "description": "The command line string used to launch the browser. Will be the empty string if not\nsupported."
                        }
                    ],
                    "name": "getInfo",
                    "description": "Returns information about the system."
                }
            ],
            "domain": "SystemInfo",
            "description": "The SystemInfo domain defines methods and events for querying low-level system information.",
            "experimental": true
        },
        {
            "commands": [
                {
                    "name": "activateTarget",
                    "parameters": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        }
                    ],
                    "description": "Activates (focuses) the target."
                },
                {
                    "returns": [
                        {
                            "$ref": "SessionID",
                            "name": "sessionId",
                            "description": "Id assigned to the session."
                        }
                    ],
                    "name": "attachToTarget",
                    "parameters": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        }
                    ],
                    "description": "Attaches to the target with given id."
                },
                {
                    "returns": [
                        {
                            "type": "boolean",
                            "name": "success"
                        }
                    ],
                    "name": "closeTarget",
                    "parameters": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        }
                    ],
                    "description": "Closes the target. If the target is a page that gets closed too."
                },
                {
                    "returns": [
                        {
                            "$ref": "BrowserContextID",
                            "name": "browserContextId",
                            "description": "The id of the context created."
                        }
                    ],
                    "name": "createBrowserContext",
                    "experimental": true,
                    "description": "Creates a new empty BrowserContext. Similar to an incognito profile but you can have more than\none."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "BrowserContextID"
                            },
                            "type": "array",
                            "name": "browserContextIds",
                            "description": "An array of browser context ids."
                        }
                    ],
                    "name": "getBrowserContexts",
                    "experimental": true,
                    "description": "Returns all browser contexts created with `Target.createBrowserContext` method."
                },
                {
                    "returns": [
                        {
                            "$ref": "TargetID",
                            "name": "targetId",
                            "description": "The id of the page opened."
                        }
                    ],
                    "name": "createTarget",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "url",
                            "description": "The initial URL the page will be navigated to."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "width",
                            "description": "Frame width in DIP (headless chrome only)."
                        },
                        {
                            "type": "integer",
                            "optional": true,
                            "name": "height",
                            "description": "Frame height in DIP (headless chrome only)."
                        },
                        {
                            "$ref": "BrowserContextID",
                            "optional": true,
                            "name": "browserContextId",
                            "description": "The browser context to create the page in."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "enableBeginFrameControl",
                            "experimental": true,
                            "description": "Whether BeginFrames for this target will be controlled via DevTools (headless chrome only,\nnot supported on MacOS yet, false by default)."
                        }
                    ],
                    "description": "Creates a new page."
                },
                {
                    "name": "detachFromTarget",
                    "parameters": [
                        {
                            "$ref": "SessionID",
                            "optional": true,
                            "name": "sessionId",
                            "description": "Session to detach."
                        },
                        {
                            "deprecated": true,
                            "$ref": "TargetID",
                            "optional": true,
                            "name": "targetId",
                            "description": "Deprecated."
                        }
                    ],
                    "description": "Detaches session with given id."
                },
                {
                    "parameters": [
                        {
                            "name": "browserContextId",
                            "$ref": "BrowserContextID"
                        }
                    ],
                    "name": "disposeBrowserContext",
                    "experimental": true,
                    "description": "Deletes a BrowserContext. All the belonging pages will be closed without calling their\nbeforeunload hooks."
                },
                {
                    "returns": [
                        {
                            "name": "targetInfo",
                            "$ref": "TargetInfo"
                        }
                    ],
                    "parameters": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        }
                    ],
                    "name": "getTargetInfo",
                    "experimental": true,
                    "description": "Returns information about a target."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "TargetInfo"
                            },
                            "type": "array",
                            "name": "targetInfos",
                            "description": "The list of targets."
                        }
                    ],
                    "name": "getTargets",
                    "description": "Retrieves a list of available targets."
                },
                {
                    "name": "sendMessageToTarget",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "message"
                        },
                        {
                            "$ref": "SessionID",
                            "optional": true,
                            "name": "sessionId",
                            "description": "Identifier of the session."
                        },
                        {
                            "deprecated": true,
                            "$ref": "TargetID",
                            "optional": true,
                            "name": "targetId",
                            "description": "Deprecated."
                        }
                    ],
                    "description": "Sends protocol message over session with given id."
                },
                {
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "autoAttach",
                            "description": "Whether to auto-attach to related targets."
                        },
                        {
                            "type": "boolean",
                            "name": "waitForDebuggerOnStart",
                            "description": "Whether to pause new targets when attaching to them. Use `Runtime.runIfWaitingForDebugger`\nto run paused targets."
                        }
                    ],
                    "name": "setAutoAttach",
                    "experimental": true,
                    "description": "Controls whether to automatically attach to new targets which are considered to be related to\nthis one. When turned on, attaches to all existing related targets as well. When turned off,\nautomatically detaches from all currently attached targets."
                },
                {
                    "name": "setDiscoverTargets",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "discover",
                            "description": "Whether to discover available targets."
                        }
                    ],
                    "description": "Controls whether to discover available targets and notify via\n`targetCreated/targetInfoChanged/targetDestroyed` events."
                },
                {
                    "parameters": [
                        {
                            "items": {
                                "$ref": "RemoteLocation"
                            },
                            "type": "array",
                            "name": "locations",
                            "description": "List of remote locations."
                        }
                    ],
                    "name": "setRemoteLocations",
                    "experimental": true,
                    "description": "Enables target discovery for the specified locations, when `setDiscoverTargets` was set to\n`true`."
                }
            ],
            "domain": "Target",
            "description": "Supports additional targets discovery and allows to attach to them.",
            "types": [
                {
                    "type": "string",
                    "id": "TargetID"
                },
                {
                    "type": "string",
                    "id": "SessionID",
                    "description": "Unique identifier of attached debugging session."
                },
                {
                    "type": "string",
                    "id": "BrowserContextID",
                    "experimental": true
                },
                {
                    "type": "object",
                    "id": "TargetInfo",
                    "properties": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        },
                        {
                            "type": "string",
                            "name": "type"
                        },
                        {
                            "type": "string",
                            "name": "title"
                        },
                        {
                            "type": "string",
                            "name": "url"
                        },
                        {
                            "type": "boolean",
                            "name": "attached",
                            "description": "Whether the target has an attached client."
                        },
                        {
                            "$ref": "TargetID",
                            "optional": true,
                            "name": "openerId",
                            "description": "Opener target Id"
                        },
                        {
                            "optional": true,
                            "name": "browserContextId",
                            "experimental": true,
                            "$ref": "BrowserContextID"
                        }
                    ]
                },
                {
                    "type": "object",
                    "id": "RemoteLocation",
                    "experimental": true,
                    "properties": [
                        {
                            "type": "string",
                            "name": "host"
                        },
                        {
                            "type": "integer",
                            "name": "port"
                        }
                    ]
                }
            ],
            "events": [
                {
                    "parameters": [
                        {
                            "$ref": "SessionID",
                            "name": "sessionId",
                            "description": "Identifier assigned to the session used to send/receive messages."
                        },
                        {
                            "name": "targetInfo",
                            "$ref": "TargetInfo"
                        },
                        {
                            "type": "boolean",
                            "name": "waitingForDebugger"
                        }
                    ],
                    "name": "attachedToTarget",
                    "experimental": true,
                    "description": "Issued when attached to target because of auto-attach or `attachToTarget` command."
                },
                {
                    "parameters": [
                        {
                            "$ref": "SessionID",
                            "name": "sessionId",
                            "description": "Detached session identifier."
                        },
                        {
                            "deprecated": true,
                            "$ref": "TargetID",
                            "optional": true,
                            "name": "targetId",
                            "description": "Deprecated."
                        }
                    ],
                    "name": "detachedFromTarget",
                    "experimental": true,
                    "description": "Issued when detached from target for any reason (including `detachFromTarget` command). Can be\nissued multiple times per target if multiple sessions have been attached to it."
                },
                {
                    "name": "receivedMessageFromTarget",
                    "parameters": [
                        {
                            "$ref": "SessionID",
                            "name": "sessionId",
                            "description": "Identifier of a session which sends a message."
                        },
                        {
                            "type": "string",
                            "name": "message"
                        },
                        {
                            "deprecated": true,
                            "$ref": "TargetID",
                            "optional": true,
                            "name": "targetId",
                            "description": "Deprecated."
                        }
                    ],
                    "description": "Notifies about a new protocol message received from the session (as reported in\n`attachedToTarget` event)."
                },
                {
                    "name": "targetCreated",
                    "parameters": [
                        {
                            "name": "targetInfo",
                            "$ref": "TargetInfo"
                        }
                    ],
                    "description": "Issued when a possible inspection target is created."
                },
                {
                    "name": "targetDestroyed",
                    "parameters": [
                        {
                            "name": "targetId",
                            "$ref": "TargetID"
                        }
                    ],
                    "description": "Issued when a target is destroyed."
                },
                {
                    "name": "targetInfoChanged",
                    "parameters": [
                        {
                            "name": "targetInfo",
                            "$ref": "TargetInfo"
                        }
                    ],
                    "description": "Issued when some information about a target has changed. This only happens between\n`targetCreated` and `targetDestroyed`."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "bind",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "port",
                            "description": "Port number to bind."
                        }
                    ],
                    "description": "Request browser port binding."
                },
                {
                    "name": "unbind",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "port",
                            "description": "Port number to unbind."
                        }
                    ],
                    "description": "Request browser port unbinding."
                }
            ],
            "domain": "Tethering",
            "description": "The Tethering domain defines methods and events for browser port binding.",
            "experimental": true,
            "events": [
                {
                    "name": "accepted",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "port",
                            "description": "Port number that was successfully bound."
                        },
                        {
                            "type": "string",
                            "name": "connectionId",
                            "description": "Connection id to be used."
                        }
                    ],
                    "description": "Informs that port was successfully bound and got a specified connection id."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "end",
                    "description": "Stop trace events collection."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "categories",
                            "description": "A list of supported tracing categories."
                        }
                    ],
                    "name": "getCategories",
                    "description": "Gets supported tracing categories."
                },
                {
                    "name": "recordClockSyncMarker",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "syncId",
                            "description": "The ID of this clock sync marker"
                        }
                    ],
                    "description": "Record a clock sync marker in the trace."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "dumpGuid",
                            "description": "GUID of the resulting global memory dump."
                        },
                        {
                            "type": "boolean",
                            "name": "success",
                            "description": "True iff the global memory dump succeeded."
                        }
                    ],
                    "name": "requestMemoryDump",
                    "description": "Request a global memory dump."
                },
                {
                    "name": "start",
                    "parameters": [
                        {
                            "deprecated": true,
                            "type": "string",
                            "optional": true,
                            "name": "categories",
                            "description": "Category/tag filter"
                        },
                        {
                            "deprecated": true,
                            "type": "string",
                            "optional": true,
                            "name": "options",
                            "description": "Tracing options"
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "bufferUsageReportingInterval",
                            "description": "If set, the agent will issue bufferUsage events at this interval, specified in milliseconds"
                        },
                        {
                            "type": "string",
                            "enum": [
                                "ReportEvents",
                                "ReturnAsStream"
                            ],
                            "optional": true,
                            "name": "transferMode",
                            "description": "Whether to report trace events as series of dataCollected events or to save trace to a\nstream (defaults to `ReportEvents`)."
                        },
                        {
                            "$ref": "StreamCompression",
                            "optional": true,
                            "name": "streamCompression",
                            "description": "Compression format to use. This only applies when using `ReturnAsStream`\ntransfer mode (defaults to `none`)"
                        },
                        {
                            "optional": true,
                            "name": "traceConfig",
                            "$ref": "TraceConfig"
                        }
                    ],
                    "description": "Start trace events collection."
                }
            ],
            "domain": "Tracing",
            "dependencies": [
                "IO"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "bufferUsage",
                    "parameters": [
                        {
                            "type": "number",
                            "optional": true,
                            "name": "percentFull",
                            "description": "A number in range [0..1] that indicates the used size of event buffer as a fraction of its\ntotal size."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "eventCount",
                            "description": "An approximate number of events in the trace log."
                        },
                        {
                            "type": "number",
                            "optional": true,
                            "name": "value",
                            "description": "A number in range [0..1] that indicates the used size of event buffer as a fraction of its\ntotal size."
                        }
                    ]
                },
                {
                    "name": "dataCollected",
                    "parameters": [
                        {
                            "items": {
                                "type": "object"
                            },
                            "type": "array",
                            "name": "value"
                        }
                    ],
                    "description": "Contains an bucket of collected trace events. When tracing is stopped collected events will be\nsend as a sequence of dataCollected events followed by tracingComplete event."
                },
                {
                    "name": "tracingComplete",
                    "parameters": [
                        {
                            "$ref": "IO.StreamHandle",
                            "optional": true,
                            "name": "stream",
                            "description": "A handle of the stream that holds resulting trace data."
                        },
                        {
                            "$ref": "StreamCompression",
                            "optional": true,
                            "name": "streamCompression",
                            "description": "Compression format of returned stream."
                        }
                    ],
                    "description": "Signals that tracing is stopped and there is no trace buffers pending flush, all data were\ndelivered via dataCollected events."
                }
            ],
            "types": [
                {
                    "type": "object",
                    "id": "MemoryDumpConfig",
                    "description": "Configuration for memory dump. Used only when \"memory-infra\" category is enabled."
                },
                {
                    "type": "object",
                    "id": "TraceConfig",
                    "properties": [
                        {
                            "type": "string",
                            "enum": [
                                "recordUntilFull",
                                "recordContinuously",
                                "recordAsMuchAsPossible",
                                "echoToConsole"
                            ],
                            "optional": true,
                            "name": "recordMode",
                            "description": "Controls how the trace buffer stores data."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "enableSampling",
                            "description": "Turns on JavaScript stack sampling."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "enableSystrace",
                            "description": "Turns on system tracing."
                        },
                        {
                            "type": "boolean",
                            "optional": true,
                            "name": "enableArgumentFilter",
                            "description": "Turns on argument filter."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "includedCategories",
                            "description": "Included category filters."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "excludedCategories",
                            "description": "Excluded category filters."
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "optional": true,
                            "name": "syntheticDelays",
                            "description": "Configuration to synthesize the delays in tracing."
                        },
                        {
                            "$ref": "MemoryDumpConfig",
                            "optional": true,
                            "name": "memoryDumpConfig",
                            "description": "Configuration for memory dump triggers. Used only when \"memory-infra\" category is enabled."
                        }
                    ]
                },
                {
                    "enum": [
                        "none",
                        "gzip"
                    ],
                    "type": "string",
                    "id": "StreamCompression",
                    "description": "Compression type to use for traces returned via streams."
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "clearMessages",
                    "description": "Does nothing."
                },
                {
                    "name": "disable",
                    "description": "Disables console domain, prevents further console messages from being reported to the client."
                },
                {
                    "name": "enable",
                    "description": "Enables console domain, sends the messages collected so far to the client by means of the\n`messageAdded` notification."
                }
            ],
            "description": "This domain is deprecated - use Runtime or Log instead.",
            "deprecated": true,
            "domain": "Console",
            "dependencies": [
                "Runtime"
            ],
            "events": [
                {
                    "name": "messageAdded",
                    "parameters": [
                        {
                            "description": "Console message that has been added.",
                            "name": "message",
                            "$ref": "ConsoleMessage"
                        }
                    ],
                    "description": "Issued when new console message is added."
                }
            ],
            "types": [
                {
                    "description": "Console message.",
                    "type": "object",
                    "properties": [
                        {
                            "enum": [
                                "xml",
                                "javascript",
                                "network",
                                "console-api",
                                "storage",
                                "appcache",
                                "rendering",
                                "security",
                                "other",
                                "deprecation",
                                "worker"
                            ],
                            "type": "string",
                            "name": "source",
                            "description": "Message source."
                        },
                        {
                            "enum": [
                                "log",
                                "warning",
                                "error",
                                "debug",
                                "info"
                            ],
                            "type": "string",
                            "name": "level",
                            "description": "Message severity."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Message text."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "url",
                            "description": "URL of the message origin."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "line",
                            "description": "Line number in the resource that generated this message (1-based)."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "column",
                            "description": "Column number in the resource that generated this message (1-based)."
                        }
                    ],
                    "id": "ConsoleMessage"
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "continueToLocation",
                    "parameters": [
                        {
                            "description": "Location to continue to.",
                            "name": "location",
                            "$ref": "Location"
                        },
                        {
                            "optional": true,
                            "enum": [
                                "any",
                                "current"
                            ],
                            "type": "string",
                            "name": "targetCallFrames"
                        }
                    ],
                    "description": "Continues execution until specific location is reached."
                },
                {
                    "name": "disable",
                    "description": "Disables debugger for given page."
                },
                {
                    "returns": [
                        {
                            "description": "Unique identifier of the debugger.",
                            "name": "debuggerId",
                            "experimental": true,
                            "$ref": "Runtime.UniqueDebuggerId"
                        }
                    ],
                    "name": "enable",
                    "description": "Enables debugger for the given page. Clients should not assume that the debugging has been\nenabled until the result for this command is received."
                },
                {
                    "returns": [
                        {
                            "description": "Object wrapper for the evaluation result.",
                            "name": "result",
                            "$ref": "Runtime.RemoteObject"
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "Runtime.ExceptionDetails"
                        }
                    ],
                    "name": "evaluateOnCallFrame",
                    "parameters": [
                        {
                            "description": "Call frame identifier to evaluate on.",
                            "name": "callFrameId",
                            "$ref": "CallFrameId"
                        },
                        {
                            "type": "string",
                            "name": "expression",
                            "description": "Expression to evaluate."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "String object group name to put result into (allows rapid releasing resulting object handles\nusing `releaseObjectGroup`)."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "includeCommandLineAPI",
                            "description": "Specifies whether command line API should be available to the evaluated expression, defaults\nto false."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "silent",
                            "description": "In silent mode exceptions thrown during evaluation are not reported and do not pause\nexecution. Overrides `setPauseOnException` state."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "returnByValue",
                            "description": "Whether the result is expected to be a JSON object that should be sent by value."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "experimental": true,
                            "description": "Whether preview should be generated for the result."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "throwOnSideEffect",
                            "description": "Whether to throw an exception if side effect cannot be ruled out during evaluation."
                        },
                        {
                            "description": "Terminate execution after timing out (number of milliseconds).",
                            "optional": true,
                            "name": "timeout",
                            "experimental": true,
                            "$ref": "Runtime.TimeDelta"
                        }
                    ],
                    "description": "Evaluates expression on a given call frame."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "BreakLocation"
                            },
                            "type": "array",
                            "name": "locations",
                            "description": "List of the possible breakpoint locations."
                        }
                    ],
                    "name": "getPossibleBreakpoints",
                    "parameters": [
                        {
                            "description": "Start of range to search possible breakpoint locations in.",
                            "name": "start",
                            "$ref": "Location"
                        },
                        {
                            "description": "End of range to search possible breakpoint locations in (excluding). When not specified, end\nof scripts is used as end of range.",
                            "optional": true,
                            "name": "end",
                            "$ref": "Location"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "restrictToFunction",
                            "description": "Only consider locations which are in the same (non-nested) function as start."
                        }
                    ],
                    "description": "Returns possible locations for breakpoint. scriptId in start and end range locations should be\nthe same."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "scriptSource",
                            "description": "Script source."
                        }
                    ],
                    "name": "getScriptSource",
                    "parameters": [
                        {
                            "description": "Id of the script to get source for.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        }
                    ],
                    "description": "Returns source for the script with given id."
                },
                {
                    "experimental": true,
                    "returns": [
                        {
                            "name": "stackTrace",
                            "$ref": "Runtime.StackTrace"
                        }
                    ],
                    "name": "getStackTrace",
                    "parameters": [
                        {
                            "name": "stackTraceId",
                            "$ref": "Runtime.StackTraceId"
                        }
                    ],
                    "description": "Returns stack trace with given `stackTraceId`."
                },
                {
                    "name": "pause",
                    "description": "Stops on the next JavaScript statement."
                },
                {
                    "experimental": true,
                    "name": "pauseOnAsyncCall",
                    "parameters": [
                        {
                            "description": "Debugger will pause when async call with given stack trace is started.",
                            "name": "parentStackTraceId",
                            "$ref": "Runtime.StackTraceId"
                        }
                    ]
                },
                {
                    "name": "removeBreakpoint",
                    "parameters": [
                        {
                            "name": "breakpointId",
                            "$ref": "BreakpointId"
                        }
                    ],
                    "description": "Removes JavaScript breakpoint."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "CallFrame"
                            },
                            "type": "array",
                            "name": "callFrames",
                            "description": "New stack trace."
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTrace",
                            "$ref": "Runtime.StackTrace"
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTraceId",
                            "experimental": true,
                            "$ref": "Runtime.StackTraceId"
                        }
                    ],
                    "name": "restartFrame",
                    "parameters": [
                        {
                            "description": "Call frame identifier to evaluate on.",
                            "name": "callFrameId",
                            "$ref": "CallFrameId"
                        }
                    ],
                    "description": "Restarts particular call frame from the beginning."
                },
                {
                    "name": "resume",
                    "description": "Resumes JavaScript execution."
                },
                {
                    "name": "scheduleStepIntoAsync",
                    "experimental": true,
                    "description": "This method is deprecated - use Debugger.stepInto with breakOnAsyncCall and\nDebugger.pauseOnAsyncTask instead. Steps into next scheduled async task if any is scheduled\nbefore next pause. Returns success when async task is actually scheduled, returns error if no\ntask were scheduled or another scheduleStepIntoAsync was called."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "SearchMatch"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "List of search matches."
                        }
                    ],
                    "name": "searchInContent",
                    "parameters": [
                        {
                            "description": "Id of the script to search in.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "query",
                            "description": "String to search for."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "caseSensitive",
                            "description": "If true, search is case sensitive."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "isRegex",
                            "description": "If true, treats string parameter as regex."
                        }
                    ],
                    "description": "Searches for given string in script content."
                },
                {
                    "name": "setAsyncCallStackDepth",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "maxDepth",
                            "description": "Maximum depth of async call stacks. Setting to `0` will effectively disable collecting async\ncall stacks (default)."
                        }
                    ],
                    "description": "Enables or disables async call stacks tracking."
                },
                {
                    "experimental": true,
                    "name": "setBlackboxPatterns",
                    "parameters": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "patterns",
                            "description": "Array of regexps that will be used to check script url for blackbox state."
                        }
                    ],
                    "description": "Replace previous blackbox patterns with passed ones. Forces backend to skip stepping/pausing in\nscripts with url matching one of the patterns. VM will try to leave blackboxed script by\nperforming 'step in' several times, finally resorting to 'step out' if unsuccessful."
                },
                {
                    "experimental": true,
                    "name": "setBlackboxedRanges",
                    "parameters": [
                        {
                            "description": "Id of the script.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "items": {
                                "$ref": "ScriptPosition"
                            },
                            "type": "array",
                            "name": "positions"
                        }
                    ],
                    "description": "Makes backend skip steps in the script in blackboxed ranges. VM will try leave blacklisted\nscripts by performing 'step in' several times, finally resorting to 'step out' if unsuccessful.\nPositions array contains positions where blackbox state is changed. First interval isn't\nblackboxed. Array should be sorted."
                },
                {
                    "returns": [
                        {
                            "description": "Id of the created breakpoint for further reference.",
                            "name": "breakpointId",
                            "$ref": "BreakpointId"
                        },
                        {
                            "description": "Location this breakpoint resolved into.",
                            "name": "actualLocation",
                            "$ref": "Location"
                        }
                    ],
                    "name": "setBreakpoint",
                    "parameters": [
                        {
                            "description": "Location to set breakpoint in.",
                            "name": "location",
                            "$ref": "Location"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "condition",
                            "description": "Expression to use as a breakpoint condition. When specified, debugger will only stop on the\nbreakpoint if this expression evaluates to true."
                        }
                    ],
                    "description": "Sets JavaScript breakpoint at a given location."
                },
                {
                    "returns": [
                        {
                            "description": "Id of the created breakpoint for further reference.",
                            "name": "breakpointId",
                            "$ref": "BreakpointId"
                        },
                        {
                            "items": {
                                "$ref": "Location"
                            },
                            "type": "array",
                            "name": "locations",
                            "description": "List of the locations this breakpoint resolved into upon addition."
                        }
                    ],
                    "name": "setBreakpointByUrl",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "Line number to set breakpoint at."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "url",
                            "description": "URL of the resources to set breakpoint on."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "urlRegex",
                            "description": "Regex pattern for the URLs of the resources to set breakpoints on. Either `url` or\n`urlRegex` must be specified."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "scriptHash",
                            "description": "Script hash of the resources to set breakpoint on."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "Offset in the line to set breakpoint at."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "condition",
                            "description": "Expression to use as a breakpoint condition. When specified, debugger will only stop on the\nbreakpoint if this expression evaluates to true."
                        }
                    ],
                    "description": "Sets JavaScript breakpoint at given location specified either by URL or URL regex. Once this\ncommand is issued, all existing parsed scripts will have breakpoints resolved and returned in\n`locations` property. Further matching script parsing will result in subsequent\n`breakpointResolved` events issued. This logical breakpoint will survive page reloads."
                },
                {
                    "experimental": true,
                    "returns": [
                        {
                            "description": "Id of the created breakpoint for further reference.",
                            "name": "breakpointId",
                            "$ref": "BreakpointId"
                        }
                    ],
                    "name": "setBreakpointOnFunctionCall",
                    "parameters": [
                        {
                            "description": "Function object id.",
                            "name": "objectId",
                            "$ref": "Runtime.RemoteObjectId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "condition",
                            "description": "Expression to use as a breakpoint condition. When specified, debugger will\nstop on the breakpoint if this expression evaluates to true."
                        }
                    ],
                    "description": "Sets JavaScript breakpoint before each call to the given function.\nIf another function was created from the same source as a given one,\ncalling it will also trigger the breakpoint."
                },
                {
                    "name": "setBreakpointsActive",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "active",
                            "description": "New value for breakpoints active state."
                        }
                    ],
                    "description": "Activates / deactivates all breakpoints on the page."
                },
                {
                    "name": "setPauseOnExceptions",
                    "parameters": [
                        {
                            "enum": [
                                "none",
                                "uncaught",
                                "all"
                            ],
                            "type": "string",
                            "name": "state",
                            "description": "Pause on exceptions mode."
                        }
                    ],
                    "description": "Defines pause on exceptions state. Can be set to stop on all exceptions, uncaught exceptions or\nno exceptions. Initial pause on exceptions state is `none`."
                },
                {
                    "experimental": true,
                    "name": "setReturnValue",
                    "parameters": [
                        {
                            "description": "New return value.",
                            "name": "newValue",
                            "$ref": "Runtime.CallArgument"
                        }
                    ],
                    "description": "Changes return value in top frame. Available only at return break position."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "CallFrame"
                            },
                            "type": "array",
                            "name": "callFrames",
                            "optional": true,
                            "description": "New stack trace in case editing has happened while VM was stopped."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "stackChanged",
                            "description": "Whether current call stack  was modified after applying the changes."
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTrace",
                            "$ref": "Runtime.StackTrace"
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTraceId",
                            "experimental": true,
                            "$ref": "Runtime.StackTraceId"
                        },
                        {
                            "description": "Exception details if any.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "Runtime.ExceptionDetails"
                        }
                    ],
                    "name": "setScriptSource",
                    "parameters": [
                        {
                            "description": "Id of the script to edit.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "scriptSource",
                            "description": "New content of the script."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "dryRun",
                            "description": "If true the change will not actually be applied. Dry run may be used to get result\ndescription without actually modifying the code."
                        }
                    ],
                    "description": "Edits JavaScript source live."
                },
                {
                    "name": "setSkipAllPauses",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "skip",
                            "description": "New value for skip pauses state."
                        }
                    ],
                    "description": "Makes page not interrupt on any pauses (breakpoint, exception, dom exception etc)."
                },
                {
                    "name": "setVariableValue",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "scopeNumber",
                            "description": "0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch'\nscope types are allowed. Other scopes could be manipulated manually."
                        },
                        {
                            "type": "string",
                            "name": "variableName",
                            "description": "Variable name."
                        },
                        {
                            "description": "New variable value.",
                            "name": "newValue",
                            "$ref": "Runtime.CallArgument"
                        },
                        {
                            "description": "Id of callframe that holds variable.",
                            "name": "callFrameId",
                            "$ref": "CallFrameId"
                        }
                    ],
                    "description": "Changes value of variable in a callframe. Object-based scopes are not supported and must be\nmutated manually."
                },
                {
                    "name": "stepInto",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "breakOnAsyncCall",
                            "experimental": true,
                            "description": "Debugger will issue additional Debugger.paused notification if any async task is scheduled\nbefore next pause."
                        }
                    ],
                    "description": "Steps into the function call."
                },
                {
                    "name": "stepOut",
                    "description": "Steps out of the function call."
                },
                {
                    "name": "stepOver",
                    "description": "Steps over the statement."
                }
            ],
            "description": "Debugger domain exposes JavaScript debugging capabilities. It allows setting and removing\nbreakpoints, stepping through execution, exploring stack traces, etc.",
            "domain": "Debugger",
            "dependencies": [
                "Runtime"
            ],
            "events": [
                {
                    "name": "breakpointResolved",
                    "parameters": [
                        {
                            "description": "Breakpoint unique identifier.",
                            "name": "breakpointId",
                            "$ref": "BreakpointId"
                        },
                        {
                            "description": "Actual breakpoint location.",
                            "name": "location",
                            "$ref": "Location"
                        }
                    ],
                    "description": "Fired when breakpoint is resolved to an actual script and location."
                },
                {
                    "name": "paused",
                    "parameters": [
                        {
                            "items": {
                                "$ref": "CallFrame"
                            },
                            "type": "array",
                            "name": "callFrames",
                            "description": "Call stack the virtual machine stopped on."
                        },
                        {
                            "enum": [
                                "XHR",
                                "DOM",
                                "EventListener",
                                "exception",
                                "assert",
                                "debugCommand",
                                "promiseRejection",
                                "OOM",
                                "other",
                                "ambiguous"
                            ],
                            "type": "string",
                            "name": "reason",
                            "description": "Pause reason."
                        },
                        {
                            "optional": true,
                            "type": "object",
                            "name": "data",
                            "description": "Object containing break-specific auxiliary properties."
                        },
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "hitBreakpoints",
                            "optional": true,
                            "description": "Hit breakpoints IDs"
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTrace",
                            "$ref": "Runtime.StackTrace"
                        },
                        {
                            "description": "Async stack trace, if any.",
                            "optional": true,
                            "name": "asyncStackTraceId",
                            "experimental": true,
                            "$ref": "Runtime.StackTraceId"
                        },
                        {
                            "description": "Just scheduled async call will have this stack trace as parent stack during async execution.\nThis field is available only after `Debugger.stepInto` call with `breakOnAsynCall` flag.",
                            "optional": true,
                            "name": "asyncCallStackTraceId",
                            "experimental": true,
                            "$ref": "Runtime.StackTraceId"
                        }
                    ],
                    "description": "Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria."
                },
                {
                    "name": "resumed",
                    "description": "Fired when the virtual machine resumed execution."
                },
                {
                    "name": "scriptFailedToParse",
                    "parameters": [
                        {
                            "description": "Identifier of the script parsed.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL or name of the script parsed (if any)."
                        },
                        {
                            "type": "integer",
                            "name": "startLine",
                            "description": "Line offset of the script within the resource with given URL (for script tags)."
                        },
                        {
                            "type": "integer",
                            "name": "startColumn",
                            "description": "Column offset of the script within the resource with given URL."
                        },
                        {
                            "type": "integer",
                            "name": "endLine",
                            "description": "Last line of the script."
                        },
                        {
                            "type": "integer",
                            "name": "endColumn",
                            "description": "Length of the last line of the script."
                        },
                        {
                            "description": "Specifies script creation context.",
                            "name": "executionContextId",
                            "$ref": "Runtime.ExecutionContextId"
                        },
                        {
                            "type": "string",
                            "name": "hash",
                            "description": "Content hash of the script."
                        },
                        {
                            "optional": true,
                            "type": "object",
                            "name": "executionContextAuxData",
                            "description": "Embedder-specific auxiliary data."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "sourceMapURL",
                            "description": "URL of source map associated with script (if any)."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "hasSourceURL",
                            "description": "True, if this script has sourceURL."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "isModule",
                            "description": "True, if this script is ES6 module."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "length",
                            "description": "This script length."
                        },
                        {
                            "description": "JavaScript top stack frame of where the script parsed event was triggered if available.",
                            "optional": true,
                            "name": "stackTrace",
                            "experimental": true,
                            "$ref": "Runtime.StackTrace"
                        }
                    ],
                    "description": "Fired when virtual machine fails to parse the script."
                },
                {
                    "name": "scriptParsed",
                    "parameters": [
                        {
                            "description": "Identifier of the script parsed.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "URL or name of the script parsed (if any)."
                        },
                        {
                            "type": "integer",
                            "name": "startLine",
                            "description": "Line offset of the script within the resource with given URL (for script tags)."
                        },
                        {
                            "type": "integer",
                            "name": "startColumn",
                            "description": "Column offset of the script within the resource with given URL."
                        },
                        {
                            "type": "integer",
                            "name": "endLine",
                            "description": "Last line of the script."
                        },
                        {
                            "type": "integer",
                            "name": "endColumn",
                            "description": "Length of the last line of the script."
                        },
                        {
                            "description": "Specifies script creation context.",
                            "name": "executionContextId",
                            "$ref": "Runtime.ExecutionContextId"
                        },
                        {
                            "type": "string",
                            "name": "hash",
                            "description": "Content hash of the script."
                        },
                        {
                            "optional": true,
                            "type": "object",
                            "name": "executionContextAuxData",
                            "description": "Embedder-specific auxiliary data."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "isLiveEdit",
                            "experimental": true,
                            "description": "True, if this script is generated as a result of the live edit operation."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "sourceMapURL",
                            "description": "URL of source map associated with script (if any)."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "hasSourceURL",
                            "description": "True, if this script has sourceURL."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "isModule",
                            "description": "True, if this script is ES6 module."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "length",
                            "description": "This script length."
                        },
                        {
                            "description": "JavaScript top stack frame of where the script parsed event was triggered if available.",
                            "optional": true,
                            "name": "stackTrace",
                            "experimental": true,
                            "$ref": "Runtime.StackTrace"
                        }
                    ],
                    "description": "Fired when virtual machine parses script. This event is also fired for all known and uncollected\nscripts upon enabling debugger."
                }
            ],
            "types": [
                {
                    "type": "string",
                    "id": "BreakpointId",
                    "description": "Breakpoint identifier."
                },
                {
                    "type": "string",
                    "id": "CallFrameId",
                    "description": "Call frame identifier."
                },
                {
                    "description": "Location in the source code.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "Script identifier as reported in the `Debugger.scriptParsed`.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "Line number in the script (0-based)."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "Column number in the script (0-based)."
                        }
                    ],
                    "id": "Location"
                },
                {
                    "description": "Location in the source code.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "lineNumber"
                        },
                        {
                            "type": "integer",
                            "name": "columnNumber"
                        }
                    ],
                    "experimental": true,
                    "id": "ScriptPosition"
                },
                {
                    "description": "JavaScript call frame. Array of call frames form the call stack.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "Call frame identifier. This identifier is only valid while the virtual machine is paused.",
                            "name": "callFrameId",
                            "$ref": "CallFrameId"
                        },
                        {
                            "type": "string",
                            "name": "functionName",
                            "description": "Name of the JavaScript function called on this call frame."
                        },
                        {
                            "description": "Location in the source code.",
                            "optional": true,
                            "name": "functionLocation",
                            "$ref": "Location"
                        },
                        {
                            "description": "Location in the source code.",
                            "name": "location",
                            "$ref": "Location"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "JavaScript script name or url."
                        },
                        {
                            "items": {
                                "$ref": "Scope"
                            },
                            "type": "array",
                            "name": "scopeChain",
                            "description": "Scope chain for this call frame."
                        },
                        {
                            "description": "`this` object for this call frame.",
                            "name": "this",
                            "$ref": "Runtime.RemoteObject"
                        },
                        {
                            "description": "The value being returned, if the function is at return point.",
                            "optional": true,
                            "name": "returnValue",
                            "$ref": "Runtime.RemoteObject"
                        }
                    ],
                    "id": "CallFrame"
                },
                {
                    "description": "Scope description.",
                    "type": "object",
                    "properties": [
                        {
                            "enum": [
                                "global",
                                "local",
                                "with",
                                "closure",
                                "catch",
                                "block",
                                "script",
                                "eval",
                                "module"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Scope type."
                        },
                        {
                            "description": "Object representing the scope. For `global` and `with` scopes it represents the actual\nobject; for the rest of the scopes, it is artificial transient object enumerating scope\nvariables as its properties.",
                            "name": "object",
                            "$ref": "Runtime.RemoteObject"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "name"
                        },
                        {
                            "description": "Location in the source code where scope starts",
                            "optional": true,
                            "name": "startLocation",
                            "$ref": "Location"
                        },
                        {
                            "description": "Location in the source code where scope ends",
                            "optional": true,
                            "name": "endLocation",
                            "$ref": "Location"
                        }
                    ],
                    "id": "Scope"
                },
                {
                    "description": "Search match for resource.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "number",
                            "name": "lineNumber",
                            "description": "Line number in resource content."
                        },
                        {
                            "type": "string",
                            "name": "lineContent",
                            "description": "Line with match content."
                        }
                    ],
                    "id": "SearchMatch"
                },
                {
                    "type": "object",
                    "id": "BreakLocation",
                    "properties": [
                        {
                            "description": "Script identifier as reported in the `Debugger.scriptParsed`.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "Line number in the script (0-based)."
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "Column number in the script (0-based)."
                        },
                        {
                            "optional": true,
                            "enum": [
                                "debuggerStatement",
                                "call",
                                "return"
                            ],
                            "type": "string",
                            "name": "type"
                        }
                    ]
                }
            ]
        },
        {
            "commands": [
                {
                    "name": "addInspectedHeapObject",
                    "parameters": [
                        {
                            "description": "Heap snapshot object id to be accessible by means of $x command line API.",
                            "name": "heapObjectId",
                            "$ref": "HeapSnapshotObjectId"
                        }
                    ],
                    "description": "Enables console to refer to the node with given id via $x (see Command Line API for more details\n$x functions)."
                },
                {
                    "name": "collectGarbage"
                },
                {
                    "name": "disable"
                },
                {
                    "name": "enable"
                },
                {
                    "returns": [
                        {
                            "description": "Id of the heap snapshot object corresponding to the passed remote object id.",
                            "name": "heapSnapshotObjectId",
                            "$ref": "HeapSnapshotObjectId"
                        }
                    ],
                    "name": "getHeapObjectId",
                    "parameters": [
                        {
                            "description": "Identifier of the object to get heap object id for.",
                            "name": "objectId",
                            "$ref": "Runtime.RemoteObjectId"
                        }
                    ]
                },
                {
                    "returns": [
                        {
                            "description": "Evaluation result.",
                            "name": "result",
                            "$ref": "Runtime.RemoteObject"
                        }
                    ],
                    "name": "getObjectByHeapObjectId",
                    "parameters": [
                        {
                            "name": "objectId",
                            "$ref": "HeapSnapshotObjectId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release multiple objects."
                        }
                    ]
                },
                {
                    "returns": [
                        {
                            "description": "Return the sampling profile being collected.",
                            "name": "profile",
                            "$ref": "SamplingHeapProfile"
                        }
                    ],
                    "name": "getSamplingProfile"
                },
                {
                    "name": "startSampling",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "number",
                            "name": "samplingInterval",
                            "description": "Average sample interval in bytes. Poisson distribution is used for the intervals. The\ndefault value is 32768 bytes."
                        }
                    ]
                },
                {
                    "name": "startTrackingHeapObjects",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "trackAllocations"
                        }
                    ]
                },
                {
                    "returns": [
                        {
                            "description": "Recorded sampling heap profile.",
                            "name": "profile",
                            "$ref": "SamplingHeapProfile"
                        }
                    ],
                    "name": "stopSampling"
                },
                {
                    "name": "stopTrackingHeapObjects",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "reportProgress",
                            "description": "If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken\nwhen the tracking is stopped."
                        }
                    ]
                },
                {
                    "name": "takeHeapSnapshot",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "reportProgress",
                            "description": "If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken."
                        }
                    ]
                }
            ],
            "domain": "HeapProfiler",
            "dependencies": [
                "Runtime"
            ],
            "experimental": true,
            "events": [
                {
                    "name": "addHeapSnapshotChunk",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "chunk"
                        }
                    ]
                },
                {
                    "name": "heapStatsUpdate",
                    "parameters": [
                        {
                            "items": {
                                "type": "integer"
                            },
                            "type": "array",
                            "name": "statsUpdate",
                            "description": "An array of triplets. Each triplet describes a fragment. The first integer is the fragment\nindex, the second integer is a total count of objects for the fragment, the third integer is\na total size of the objects for the fragment."
                        }
                    ],
                    "description": "If heap objects tracking has been started then backend may send update for one or more fragments"
                },
                {
                    "name": "lastSeenObjectId",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "lastSeenObjectId"
                        },
                        {
                            "type": "number",
                            "name": "timestamp"
                        }
                    ],
                    "description": "If heap objects tracking has been started then backend regularly sends a current value for last\nseen object id and corresponding timestamp. If the were changes in the heap since last event\nthen one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event."
                },
                {
                    "name": "reportHeapSnapshotProgress",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "done"
                        },
                        {
                            "type": "integer",
                            "name": "total"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "finished"
                        }
                    ]
                },
                {
                    "name": "resetProfiles"
                }
            ],
            "types": [
                {
                    "type": "string",
                    "id": "HeapSnapshotObjectId",
                    "description": "Heap snapshot object id."
                },
                {
                    "description": "Sampling Heap Profile node. Holds callsite information, allocation statistics and child nodes.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "Function location.",
                            "name": "callFrame",
                            "$ref": "Runtime.CallFrame"
                        },
                        {
                            "type": "number",
                            "name": "selfSize",
                            "description": "Allocations size in bytes for the node excluding children."
                        },
                        {
                            "items": {
                                "$ref": "SamplingHeapProfileNode"
                            },
                            "type": "array",
                            "name": "children",
                            "description": "Child nodes."
                        }
                    ],
                    "id": "SamplingHeapProfileNode"
                },
                {
                    "description": "Profile.",
                    "type": "object",
                    "properties": [
                        {
                            "name": "head",
                            "$ref": "SamplingHeapProfileNode"
                        }
                    ],
                    "id": "SamplingHeapProfile"
                }
            ]
        },
        {
            "domain": "Profiler",
            "dependencies": [
                "Runtime",
                "Debugger"
            ],
            "commands": [
                {
                    "name": "disable"
                },
                {
                    "name": "enable"
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "ScriptCoverage"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "Coverage data for the current isolate."
                        }
                    ],
                    "name": "getBestEffortCoverage",
                    "description": "Collect coverage data for the current isolate. The coverage data may be incomplete due to\ngarbage collection."
                },
                {
                    "name": "setSamplingInterval",
                    "parameters": [
                        {
                            "type": "integer",
                            "name": "interval",
                            "description": "New sampling interval in microseconds."
                        }
                    ],
                    "description": "Changes CPU profiler sampling interval. Must be called before CPU profiles recording started."
                },
                {
                    "name": "start"
                },
                {
                    "name": "startPreciseCoverage",
                    "parameters": [
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "callCount",
                            "description": "Collect accurate call counts beyond simple 'covered' or 'not covered'."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "detailed",
                            "description": "Collect block-based coverage."
                        }
                    ],
                    "description": "Enable precise code coverage. Coverage data for JavaScript executed before enabling precise code\ncoverage may be incomplete. Enabling prevents running optimized code and resets execution\ncounters."
                },
                {
                    "name": "startTypeProfile",
                    "experimental": true,
                    "description": "Enable type profile."
                },
                {
                    "returns": [
                        {
                            "description": "Recorded profile.",
                            "name": "profile",
                            "$ref": "Profile"
                        }
                    ],
                    "name": "stop"
                },
                {
                    "name": "stopPreciseCoverage",
                    "description": "Disable precise code coverage. Disabling releases unnecessary execution count records and allows\nexecuting optimized code."
                },
                {
                    "name": "stopTypeProfile",
                    "experimental": true,
                    "description": "Disable type profile. Disabling releases type profile data collected so far."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "ScriptCoverage"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "Coverage data for the current isolate."
                        }
                    ],
                    "name": "takePreciseCoverage",
                    "description": "Collect coverage data for the current isolate, and resets execution counters. Precise code\ncoverage needs to have started."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "ScriptTypeProfile"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "Type profile for all scripts since startTypeProfile() was turned on."
                        }
                    ],
                    "name": "takeTypeProfile",
                    "experimental": true,
                    "description": "Collect type profile."
                }
            ],
            "types": [
                {
                    "description": "Profile node. Holds callsite information, execution statistics and child nodes.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "id",
                            "description": "Unique id of the node."
                        },
                        {
                            "description": "Function location.",
                            "name": "callFrame",
                            "$ref": "Runtime.CallFrame"
                        },
                        {
                            "optional": true,
                            "type": "integer",
                            "name": "hitCount",
                            "description": "Number of samples where this node was on top of the call stack."
                        },
                        {
                            "items": {
                                "type": "integer"
                            },
                            "type": "array",
                            "name": "children",
                            "optional": true,
                            "description": "Child node ids."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "deoptReason",
                            "description": "The reason of being not optimized. The function may be deoptimized or marked as don't\noptimize."
                        },
                        {
                            "items": {
                                "$ref": "PositionTickInfo"
                            },
                            "type": "array",
                            "name": "positionTicks",
                            "optional": true,
                            "description": "An array of source position ticks."
                        }
                    ],
                    "id": "ProfileNode"
                },
                {
                    "description": "Profile.",
                    "type": "object",
                    "properties": [
                        {
                            "items": {
                                "$ref": "ProfileNode"
                            },
                            "type": "array",
                            "name": "nodes",
                            "description": "The list of profile nodes. First item is the root node."
                        },
                        {
                            "type": "number",
                            "name": "startTime",
                            "description": "Profiling start timestamp in microseconds."
                        },
                        {
                            "type": "number",
                            "name": "endTime",
                            "description": "Profiling end timestamp in microseconds."
                        },
                        {
                            "items": {
                                "type": "integer"
                            },
                            "type": "array",
                            "name": "samples",
                            "optional": true,
                            "description": "Ids of samples top nodes."
                        },
                        {
                            "items": {
                                "type": "integer"
                            },
                            "type": "array",
                            "name": "timeDeltas",
                            "optional": true,
                            "description": "Time intervals between adjacent samples in microseconds. The first delta is relative to the\nprofile startTime."
                        }
                    ],
                    "id": "Profile"
                },
                {
                    "description": "Specifies a number of samples attributed to a certain source position.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "line",
                            "description": "Source line number (1-based)."
                        },
                        {
                            "type": "integer",
                            "name": "ticks",
                            "description": "Number of samples attributed to the source line."
                        }
                    ],
                    "id": "PositionTickInfo"
                },
                {
                    "description": "Coverage data for a source range.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "startOffset",
                            "description": "JavaScript script source offset for the range start."
                        },
                        {
                            "type": "integer",
                            "name": "endOffset",
                            "description": "JavaScript script source offset for the range end."
                        },
                        {
                            "type": "integer",
                            "name": "count",
                            "description": "Collected execution count of the source range."
                        }
                    ],
                    "id": "CoverageRange"
                },
                {
                    "description": "Coverage data for a JavaScript function.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "functionName",
                            "description": "JavaScript function name."
                        },
                        {
                            "items": {
                                "$ref": "CoverageRange"
                            },
                            "type": "array",
                            "name": "ranges",
                            "description": "Source ranges inside the function with coverage data."
                        },
                        {
                            "type": "boolean",
                            "name": "isBlockCoverage",
                            "description": "Whether coverage data for this function has block granularity."
                        }
                    ],
                    "id": "FunctionCoverage"
                },
                {
                    "description": "Coverage data for a JavaScript script.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "JavaScript script id.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "JavaScript script name or url."
                        },
                        {
                            "items": {
                                "$ref": "FunctionCoverage"
                            },
                            "type": "array",
                            "name": "functions",
                            "description": "Functions contained in the script that has coverage data."
                        }
                    ],
                    "id": "ScriptCoverage"
                },
                {
                    "description": "Describes a type collected during runtime.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Name of a type collected with type profiling."
                        }
                    ],
                    "experimental": true,
                    "id": "TypeObject"
                },
                {
                    "description": "Source offset and types for a parameter or return value.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "offset",
                            "description": "Source offset of the parameter or end of function for return values."
                        },
                        {
                            "items": {
                                "$ref": "TypeObject"
                            },
                            "type": "array",
                            "name": "types",
                            "description": "The types for this parameter or return value."
                        }
                    ],
                    "experimental": true,
                    "id": "TypeProfileEntry"
                },
                {
                    "description": "Type profile data collected during runtime for a JavaScript script.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "JavaScript script id.",
                            "name": "scriptId",
                            "$ref": "Runtime.ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "JavaScript script name or url."
                        },
                        {
                            "items": {
                                "$ref": "TypeProfileEntry"
                            },
                            "type": "array",
                            "name": "entries",
                            "description": "Type profile entries for parameters and return values of the functions in the script."
                        }
                    ],
                    "experimental": true,
                    "id": "ScriptTypeProfile"
                }
            ],
            "events": [
                {
                    "name": "consoleProfileFinished",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "id"
                        },
                        {
                            "description": "Location of console.profileEnd().",
                            "name": "location",
                            "$ref": "Debugger.Location"
                        },
                        {
                            "name": "profile",
                            "$ref": "Profile"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "title",
                            "description": "Profile title passed as an argument to console.profile()."
                        }
                    ]
                },
                {
                    "name": "consoleProfileStarted",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "id"
                        },
                        {
                            "description": "Location of console.profile().",
                            "name": "location",
                            "$ref": "Debugger.Location"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "title",
                            "description": "Profile title passed as an argument to console.profile()."
                        }
                    ],
                    "description": "Sent when new profile recording is started using console.profile() call."
                }
            ]
        },
        {
            "events": [
                {
                    "name": "consoleAPICalled",
                    "parameters": [
                        {
                            "enum": [
                                "log",
                                "debug",
                                "info",
                                "error",
                                "warning",
                                "dir",
                                "dirxml",
                                "table",
                                "trace",
                                "clear",
                                "startGroup",
                                "startGroupCollapsed",
                                "endGroup",
                                "assert",
                                "profile",
                                "profileEnd",
                                "count",
                                "timeEnd"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Type of the call."
                        },
                        {
                            "items": {
                                "$ref": "RemoteObject"
                            },
                            "type": "array",
                            "name": "args",
                            "description": "Call arguments."
                        },
                        {
                            "description": "Identifier of the context where the call was made.",
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        },
                        {
                            "description": "Call timestamp.",
                            "name": "timestamp",
                            "$ref": "Timestamp"
                        },
                        {
                            "description": "Stack trace captured when the call was made.",
                            "optional": true,
                            "name": "stackTrace",
                            "$ref": "StackTrace"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "context",
                            "experimental": true,
                            "description": "Console context descriptor for calls on non-default console context (not console.*):\n'anonymous#unique-logger-id' for call on unnamed context, 'name#unique-logger-id' for call\non named context."
                        }
                    ],
                    "description": "Issued when console API was called."
                },
                {
                    "name": "exceptionRevoked",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "reason",
                            "description": "Reason describing why exception was revoked."
                        },
                        {
                            "type": "integer",
                            "name": "exceptionId",
                            "description": "The id of revoked exception, as reported in `exceptionThrown`."
                        }
                    ],
                    "description": "Issued when unhandled exception was revoked."
                },
                {
                    "name": "exceptionThrown",
                    "parameters": [
                        {
                            "description": "Timestamp of the exception.",
                            "name": "timestamp",
                            "$ref": "Timestamp"
                        },
                        {
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "description": "Issued when exception was thrown and unhandled."
                },
                {
                    "name": "executionContextCreated",
                    "parameters": [
                        {
                            "description": "A newly created execution context.",
                            "name": "context",
                            "$ref": "ExecutionContextDescription"
                        }
                    ],
                    "description": "Issued when new execution context is created."
                },
                {
                    "name": "executionContextDestroyed",
                    "parameters": [
                        {
                            "description": "Id of the destroyed context",
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        }
                    ],
                    "description": "Issued when execution context is destroyed."
                },
                {
                    "name": "executionContextsCleared",
                    "description": "Issued when all executionContexts were cleared in browser"
                },
                {
                    "name": "inspectRequested",
                    "parameters": [
                        {
                            "name": "object",
                            "$ref": "RemoteObject"
                        },
                        {
                            "type": "object",
                            "name": "hints"
                        }
                    ],
                    "description": "Issued when object should be inspected (for example, as a result of inspect() command line API\ncall)."
                }
            ],
            "commands": [
                {
                    "returns": [
                        {
                            "description": "Promise result. Will contain rejected value if promise was rejected.",
                            "name": "result",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "Exception details if stack strace is available.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "awaitPromise",
                    "parameters": [
                        {
                            "description": "Identifier of the promise.",
                            "name": "promiseObjectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "returnByValue",
                            "description": "Whether the result is expected to be a JSON object that should be sent by value."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "description": "Whether preview should be generated for the result."
                        }
                    ],
                    "description": "Add handler to promise with given promise object id."
                },
                {
                    "returns": [
                        {
                            "description": "Call result.",
                            "name": "result",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "callFunctionOn",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "functionDeclaration",
                            "description": "Declaration of the function to call."
                        },
                        {
                            "description": "Identifier of the object to call function on. Either objectId or executionContextId should\nbe specified.",
                            "optional": true,
                            "name": "objectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "items": {
                                "$ref": "CallArgument"
                            },
                            "type": "array",
                            "name": "arguments",
                            "optional": true,
                            "description": "Call arguments. All call arguments must belong to the same JavaScript world as the target\nobject."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "silent",
                            "description": "In silent mode exceptions thrown during evaluation are not reported and do not pause\nexecution. Overrides `setPauseOnException` state."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "returnByValue",
                            "description": "Whether the result is expected to be a JSON object which should be sent by value."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "experimental": true,
                            "description": "Whether preview should be generated for the result."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "userGesture",
                            "description": "Whether execution should be treated as initiated by user in the UI."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "awaitPromise",
                            "description": "Whether execution should `await` for resulting value and return once awaited promise is\nresolved."
                        },
                        {
                            "description": "Specifies execution context which global object will be used to call function on. Either\nexecutionContextId or objectId should be specified.",
                            "optional": true,
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release multiple objects. If objectGroup is not\nspecified and objectId is, objectGroup will be inherited from object."
                        }
                    ],
                    "description": "Calls function with given declaration on the given object. Object group of the result is\ninherited from the target object."
                },
                {
                    "returns": [
                        {
                            "description": "Id of the script.",
                            "optional": true,
                            "name": "scriptId",
                            "$ref": "ScriptId"
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "compileScript",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "expression",
                            "description": "Expression to compile."
                        },
                        {
                            "type": "string",
                            "name": "sourceURL",
                            "description": "Source url to be set for the script."
                        },
                        {
                            "type": "boolean",
                            "name": "persistScript",
                            "description": "Specifies whether the compiled script should be persisted."
                        },
                        {
                            "description": "Specifies in which execution context to perform script run. If the parameter is omitted the\nevaluation will be performed in the context of the inspected page.",
                            "optional": true,
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        }
                    ],
                    "description": "Compiles expression."
                },
                {
                    "name": "disable",
                    "description": "Disables reporting of execution contexts creation."
                },
                {
                    "name": "discardConsoleEntries",
                    "description": "Discards collected exceptions and console API calls."
                },
                {
                    "name": "enable",
                    "description": "Enables reporting of execution contexts creation by means of `executionContextCreated` event.\nWhen the reporting gets enabled the event will be sent immediately for each existing execution\ncontext."
                },
                {
                    "returns": [
                        {
                            "description": "Evaluation result.",
                            "name": "result",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "evaluate",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "expression",
                            "description": "Expression to evaluate."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release multiple objects."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "includeCommandLineAPI",
                            "description": "Determines whether Command Line API should be available during the evaluation."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "silent",
                            "description": "In silent mode exceptions thrown during evaluation are not reported and do not pause\nexecution. Overrides `setPauseOnException` state."
                        },
                        {
                            "description": "Specifies in which execution context to perform evaluation. If the parameter is omitted the\nevaluation will be performed in the context of the inspected page.",
                            "optional": true,
                            "name": "contextId",
                            "$ref": "ExecutionContextId"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "returnByValue",
                            "description": "Whether the result is expected to be a JSON object that should be sent by value."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "experimental": true,
                            "description": "Whether preview should be generated for the result."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "userGesture",
                            "description": "Whether execution should be treated as initiated by user in the UI."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "awaitPromise",
                            "description": "Whether execution should `await` for resulting value and return once awaited promise is\nresolved."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "throwOnSideEffect",
                            "experimental": true,
                            "description": "Whether to throw an exception if side effect cannot be ruled out during evaluation."
                        },
                        {
                            "description": "Terminate execution after timing out (number of milliseconds).",
                            "optional": true,
                            "name": "timeout",
                            "experimental": true,
                            "$ref": "TimeDelta"
                        }
                    ],
                    "description": "Evaluates expression on global object."
                },
                {
                    "returns": [
                        {
                            "type": "string",
                            "name": "id",
                            "description": "The isolate id."
                        }
                    ],
                    "name": "getIsolateId",
                    "experimental": true,
                    "description": "Returns the isolate id."
                },
                {
                    "returns": [
                        {
                            "type": "number",
                            "name": "usedSize",
                            "description": "Used heap size in bytes."
                        },
                        {
                            "type": "number",
                            "name": "totalSize",
                            "description": "Allocated heap size in bytes."
                        }
                    ],
                    "name": "getHeapUsage",
                    "experimental": true,
                    "description": "Returns the JavaScript heap usage.\nIt is the total usage of the corresponding isolate not scoped to a particular Runtime."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "PropertyDescriptor"
                            },
                            "type": "array",
                            "name": "result",
                            "description": "Object properties."
                        },
                        {
                            "items": {
                                "$ref": "InternalPropertyDescriptor"
                            },
                            "type": "array",
                            "name": "internalProperties",
                            "optional": true,
                            "description": "Internal object properties (only of the element itself)."
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "getProperties",
                    "parameters": [
                        {
                            "description": "Identifier of the object to return properties for.",
                            "name": "objectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "ownProperties",
                            "description": "If true, returns properties belonging only to the element itself, not to its prototype\nchain."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "accessorPropertiesOnly",
                            "experimental": true,
                            "description": "If true, returns accessor properties (with getter/setter) only; internal properties are not\nreturned either."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "experimental": true,
                            "description": "Whether preview should be generated for the results."
                        }
                    ],
                    "description": "Returns properties of a given object. Object group of the result is inherited from the target\nobject."
                },
                {
                    "returns": [
                        {
                            "items": {
                                "type": "string"
                            },
                            "type": "array",
                            "name": "names"
                        }
                    ],
                    "name": "globalLexicalScopeNames",
                    "parameters": [
                        {
                            "description": "Specifies in which execution context to lookup global scope variables.",
                            "optional": true,
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        }
                    ],
                    "description": "Returns all let, const and class variables from global scope."
                },
                {
                    "returns": [
                        {
                            "description": "Array with objects.",
                            "name": "objects",
                            "$ref": "RemoteObject"
                        }
                    ],
                    "name": "queryObjects",
                    "parameters": [
                        {
                            "description": "Identifier of the prototype to return objects for.",
                            "name": "prototypeObjectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release the results."
                        }
                    ]
                },
                {
                    "name": "releaseObject",
                    "parameters": [
                        {
                            "description": "Identifier of the object to release.",
                            "name": "objectId",
                            "$ref": "RemoteObjectId"
                        }
                    ],
                    "description": "Releases remote object with given id."
                },
                {
                    "name": "releaseObjectGroup",
                    "parameters": [
                        {
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic object group name."
                        }
                    ],
                    "description": "Releases all remote objects that belong to a given group."
                },
                {
                    "name": "runIfWaitingForDebugger",
                    "description": "Tells inspected instance to run if it was waiting for debugger to attach."
                },
                {
                    "returns": [
                        {
                            "description": "Run result.",
                            "name": "result",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "Exception details.",
                            "optional": true,
                            "name": "exceptionDetails",
                            "$ref": "ExceptionDetails"
                        }
                    ],
                    "name": "runScript",
                    "parameters": [
                        {
                            "description": "Id of the script to run.",
                            "name": "scriptId",
                            "$ref": "ScriptId"
                        },
                        {
                            "description": "Specifies in which execution context to perform script run. If the parameter is omitted the\nevaluation will be performed in the context of the inspected page.",
                            "optional": true,
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "objectGroup",
                            "description": "Symbolic group name that can be used to release multiple objects."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "silent",
                            "description": "In silent mode exceptions thrown during evaluation are not reported and do not pause\nexecution. Overrides `setPauseOnException` state."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "includeCommandLineAPI",
                            "description": "Determines whether Command Line API should be available during the evaluation."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "returnByValue",
                            "description": "Whether the result is expected to be a JSON object which should be sent by value."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "generatePreview",
                            "description": "Whether preview should be generated for the result."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "awaitPromise",
                            "description": "Whether execution should `await` for resulting value and return once awaited promise is\nresolved."
                        }
                    ],
                    "description": "Runs script with given id in a given context."
                },
                {
                    "experimental": true,
                    "name": "setCustomObjectFormatterEnabled",
                    "parameters": [
                        {
                            "type": "boolean",
                            "name": "enabled"
                        }
                    ]
                },
                {
                    "name": "terminateExecution",
                    "experimental": true,
                    "description": "Terminate current or next JavaScript execution.\nWill cancel the termination when the outer-most script execution ends."
                }
            ],
            "domain": "Runtime",
            "types": [
                {
                    "type": "string",
                    "id": "ScriptId",
                    "description": "Unique script identifier."
                },
                {
                    "type": "string",
                    "id": "RemoteObjectId",
                    "description": "Unique object identifier."
                },
                {
                    "type": "string",
                    "id": "UnserializableValue",
                    "description": "Primitive value which cannot be JSON-stringified. Includes values `-0`, `NaN`, `Infinity`,\n`-Infinity`, and bigint literals."
                },
                {
                    "description": "Mirror object referencing original JavaScript object.",
                    "type": "object",
                    "properties": [
                        {
                            "enum": [
                                "object",
                                "function",
                                "undefined",
                                "string",
                                "number",
                                "boolean",
                                "symbol",
                                "bigint"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Object type."
                        },
                        {
                            "optional": true,
                            "enum": [
                                "array",
                                "null",
                                "node",
                                "regexp",
                                "date",
                                "map",
                                "set",
                                "weakmap",
                                "weakset",
                                "iterator",
                                "generator",
                                "error",
                                "proxy",
                                "promise",
                                "typedarray"
                            ],
                            "type": "string",
                            "name": "subtype",
                            "description": "Object subtype hint. Specified for `object` type values only."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "className",
                            "description": "Object class (constructor) name. Specified for `object` type values only."
                        },
                        {
                            "optional": true,
                            "type": "any",
                            "name": "value",
                            "description": "Remote object value in case of primitive values or JSON values (if it was requested)."
                        },
                        {
                            "description": "Primitive value which can not be JSON-stringified does not have `value`, but gets this\nproperty.",
                            "optional": true,
                            "name": "unserializableValue",
                            "$ref": "UnserializableValue"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "description",
                            "description": "String representation of the object."
                        },
                        {
                            "description": "Unique object identifier (for non-primitive values).",
                            "optional": true,
                            "name": "objectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "description": "Preview containing abbreviated property values. Specified for `object` type values only.",
                            "optional": true,
                            "name": "preview",
                            "experimental": true,
                            "$ref": "ObjectPreview"
                        },
                        {
                            "optional": true,
                            "name": "customPreview",
                            "experimental": true,
                            "$ref": "CustomPreview"
                        }
                    ],
                    "id": "RemoteObject"
                },
                {
                    "type": "object",
                    "id": "CustomPreview",
                    "experimental": true,
                    "properties": [
                        {
                            "type": "string",
                            "name": "header"
                        },
                        {
                            "type": "boolean",
                            "name": "hasBody"
                        },
                        {
                            "name": "formatterObjectId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "name": "bindRemoteObjectFunctionId",
                            "$ref": "RemoteObjectId"
                        },
                        {
                            "optional": true,
                            "name": "configObjectId",
                            "$ref": "RemoteObjectId"
                        }
                    ]
                },
                {
                    "description": "Object containing abbreviated remote object value.",
                    "type": "object",
                    "properties": [
                        {
                            "enum": [
                                "object",
                                "function",
                                "undefined",
                                "string",
                                "number",
                                "boolean",
                                "symbol",
                                "bigint"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Object type."
                        },
                        {
                            "optional": true,
                            "enum": [
                                "array",
                                "null",
                                "node",
                                "regexp",
                                "date",
                                "map",
                                "set",
                                "weakmap",
                                "weakset",
                                "iterator",
                                "generator",
                                "error"
                            ],
                            "type": "string",
                            "name": "subtype",
                            "description": "Object subtype hint. Specified for `object` type values only."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "description",
                            "description": "String representation of the object."
                        },
                        {
                            "type": "boolean",
                            "name": "overflow",
                            "description": "True iff some of the properties or entries of the original object did not fit."
                        },
                        {
                            "items": {
                                "$ref": "PropertyPreview"
                            },
                            "type": "array",
                            "name": "properties",
                            "description": "List of the properties."
                        },
                        {
                            "items": {
                                "$ref": "EntryPreview"
                            },
                            "type": "array",
                            "name": "entries",
                            "optional": true,
                            "description": "List of the entries. Specified for `map` and `set` subtype values only."
                        }
                    ],
                    "experimental": true,
                    "id": "ObjectPreview"
                },
                {
                    "type": "object",
                    "id": "PropertyPreview",
                    "experimental": true,
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Property name."
                        },
                        {
                            "enum": [
                                "object",
                                "function",
                                "undefined",
                                "string",
                                "number",
                                "boolean",
                                "symbol",
                                "accessor",
                                "bigint"
                            ],
                            "type": "string",
                            "name": "type",
                            "description": "Object type. Accessor means that the property itself is an accessor property."
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "value",
                            "description": "User-friendly property value string."
                        },
                        {
                            "description": "Nested value preview.",
                            "optional": true,
                            "name": "valuePreview",
                            "$ref": "ObjectPreview"
                        },
                        {
                            "optional": true,
                            "enum": [
                                "array",
                                "null",
                                "node",
                                "regexp",
                                "date",
                                "map",
                                "set",
                                "weakmap",
                                "weakset",
                                "iterator",
                                "generator",
                                "error"
                            ],
                            "type": "string",
                            "name": "subtype",
                            "description": "Object subtype hint. Specified for `object` type values only."
                        }
                    ]
                },
                {
                    "type": "object",
                    "id": "EntryPreview",
                    "experimental": true,
                    "properties": [
                        {
                            "description": "Preview of the key. Specified for map-like collection entries.",
                            "optional": true,
                            "name": "key",
                            "$ref": "ObjectPreview"
                        },
                        {
                            "description": "Preview of the value.",
                            "name": "value",
                            "$ref": "ObjectPreview"
                        }
                    ]
                },
                {
                    "description": "Object property descriptor.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Property name or symbol description."
                        },
                        {
                            "description": "The value associated with the property.",
                            "optional": true,
                            "name": "value",
                            "$ref": "RemoteObject"
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "writable",
                            "description": "True if the value associated with the property may be changed (data descriptors only)."
                        },
                        {
                            "description": "A function which serves as a getter for the property, or `undefined` if there is no getter\n(accessor descriptors only).",
                            "optional": true,
                            "name": "get",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "A function which serves as a setter for the property, or `undefined` if there is no setter\n(accessor descriptors only).",
                            "optional": true,
                            "name": "set",
                            "$ref": "RemoteObject"
                        },
                        {
                            "type": "boolean",
                            "name": "configurable",
                            "description": "True if the type of this property descriptor may be changed and if the property may be\ndeleted from the corresponding object."
                        },
                        {
                            "type": "boolean",
                            "name": "enumerable",
                            "description": "True if this property shows up during enumeration of the properties on the corresponding\nobject."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "wasThrown",
                            "description": "True if the result was thrown during the evaluation."
                        },
                        {
                            "optional": true,
                            "type": "boolean",
                            "name": "isOwn",
                            "description": "True if the property is owned for the object."
                        },
                        {
                            "description": "Property symbol object, if the property is of the `symbol` type.",
                            "optional": true,
                            "name": "symbol",
                            "$ref": "RemoteObject"
                        }
                    ],
                    "id": "PropertyDescriptor"
                },
                {
                    "description": "Object internal property descriptor. This property isn't normally visible in JavaScript code.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Conventional property name."
                        },
                        {
                            "description": "The value associated with the property.",
                            "optional": true,
                            "name": "value",
                            "$ref": "RemoteObject"
                        }
                    ],
                    "id": "InternalPropertyDescriptor"
                },
                {
                    "description": "Represents function call argument. Either remote object id `objectId`, primitive `value`,\nunserializable primitive value or neither of (for undefined) them should be specified.",
                    "type": "object",
                    "properties": [
                        {
                            "optional": true,
                            "type": "any",
                            "name": "value",
                            "description": "Primitive value or serializable javascript object."
                        },
                        {
                            "description": "Primitive value which can not be JSON-stringified.",
                            "optional": true,
                            "name": "unserializableValue",
                            "$ref": "UnserializableValue"
                        },
                        {
                            "description": "Remote object handle.",
                            "optional": true,
                            "name": "objectId",
                            "$ref": "RemoteObjectId"
                        }
                    ],
                    "id": "CallArgument"
                },
                {
                    "type": "integer",
                    "id": "ExecutionContextId",
                    "description": "Id of an execution context."
                },
                {
                    "description": "Description of an isolated world.",
                    "type": "object",
                    "properties": [
                        {
                            "description": "Unique id of the execution context. It can be used to specify in which execution context\nscript evaluation should be performed.",
                            "name": "id",
                            "$ref": "ExecutionContextId"
                        },
                        {
                            "type": "string",
                            "name": "origin",
                            "description": "Execution context origin."
                        },
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Human readable name describing given context."
                        },
                        {
                            "optional": true,
                            "type": "object",
                            "name": "auxData",
                            "description": "Embedder-specific auxiliary data."
                        }
                    ],
                    "id": "ExecutionContextDescription"
                },
                {
                    "description": "Detailed information about exception (or error) that was thrown during script compilation or\nexecution.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "integer",
                            "name": "exceptionId",
                            "description": "Exception id."
                        },
                        {
                            "type": "string",
                            "name": "text",
                            "description": "Exception text, which should be used together with exception object when available."
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "Line number of the exception location (0-based)."
                        },
                        {
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "Column number of the exception location (0-based)."
                        },
                        {
                            "description": "Script ID of the exception location.",
                            "optional": true,
                            "name": "scriptId",
                            "$ref": "ScriptId"
                        },
                        {
                            "optional": true,
                            "type": "string",
                            "name": "url",
                            "description": "URL of the exception location, to be used when the script was not reported."
                        },
                        {
                            "description": "JavaScript stack trace if available.",
                            "optional": true,
                            "name": "stackTrace",
                            "$ref": "StackTrace"
                        },
                        {
                            "description": "Exception object if available.",
                            "optional": true,
                            "name": "exception",
                            "$ref": "RemoteObject"
                        },
                        {
                            "description": "Identifier of the context where exception happened.",
                            "optional": true,
                            "name": "executionContextId",
                            "$ref": "ExecutionContextId"
                        }
                    ],
                    "id": "ExceptionDetails"
                },
                {
                    "type": "number",
                    "id": "Timestamp",
                    "description": "Number of milliseconds since epoch."
                },
                {
                    "type": "number",
                    "id": "TimeDelta",
                    "description": "Number of milliseconds."
                },
                {
                    "description": "Stack entry for runtime errors and assertions.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "functionName",
                            "description": "JavaScript function name."
                        },
                        {
                            "description": "JavaScript script id.",
                            "name": "scriptId",
                            "$ref": "ScriptId"
                        },
                        {
                            "type": "string",
                            "name": "url",
                            "description": "JavaScript script name or url."
                        },
                        {
                            "type": "integer",
                            "name": "lineNumber",
                            "description": "JavaScript script line number (0-based)."
                        },
                        {
                            "type": "integer",
                            "name": "columnNumber",
                            "description": "JavaScript script column number (0-based)."
                        }
                    ],
                    "id": "CallFrame"
                },
                {
                    "description": "Call frames for assertions or error messages.",
                    "type": "object",
                    "properties": [
                        {
                            "optional": true,
                            "type": "string",
                            "name": "description",
                            "description": "String label of this stack trace. For async traces this may be a name of the function that\ninitiated the async call."
                        },
                        {
                            "items": {
                                "$ref": "CallFrame"
                            },
                            "type": "array",
                            "name": "callFrames",
                            "description": "JavaScript function name."
                        },
                        {
                            "description": "Asynchronous JavaScript stack trace that preceded this stack, if available.",
                            "optional": true,
                            "name": "parent",
                            "$ref": "StackTrace"
                        },
                        {
                            "description": "Asynchronous JavaScript stack trace that preceded this stack, if available.",
                            "optional": true,
                            "name": "parentId",
                            "experimental": true,
                            "$ref": "StackTraceId"
                        }
                    ],
                    "id": "StackTrace"
                },
                {
                    "type": "string",
                    "id": "UniqueDebuggerId",
                    "experimental": true,
                    "description": "Unique identifier of current debugger."
                },
                {
                    "description": "If `debuggerId` is set stack trace comes from another debugger and can be resolved there. This\nallows to track cross-debugger calls. See `Runtime.StackTrace` and `Debugger.paused` for usages.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "id"
                        },
                        {
                            "optional": true,
                            "name": "debuggerId",
                            "$ref": "UniqueDebuggerId"
                        }
                    ],
                    "experimental": true,
                    "id": "StackTraceId"
                }
            ],
            "description": "Runtime domain exposes JavaScript runtime by means of remote evaluation and mirror objects.\nEvaluation results are returned as mirror object that expose object type, string representation\nand unique identifier that can be used for further object reference. Original objects are\nmaintained in memory unless they are either explicitly released or are released along with the\nother objects in their object group."
        },
        {
            "deprecated": true,
            "domain": "Schema",
            "commands": [
                {
                    "returns": [
                        {
                            "items": {
                                "$ref": "Domain"
                            },
                            "type": "array",
                            "name": "domains",
                            "description": "List of supported domains."
                        }
                    ],
                    "name": "getDomains",
                    "description": "Returns supported domains."
                }
            ],
            "types": [
                {
                    "description": "Description of the protocol domain.",
                    "type": "object",
                    "properties": [
                        {
                            "type": "string",
                            "name": "name",
                            "description": "Domain name."
                        },
                        {
                            "type": "string",
                            "name": "version",
                            "description": "Domain version."
                        }
                    ],
                    "id": "Domain"
                }
            ],
            "description": "This domain is deprecated."
        }
    ],
    "version": {
        "major": "1",
        "minor": "3"
    }
}