{
    "domain": "OverlayTypes",
    "description": "Exposes types to be used by the inspector overlay.",
    "types": [
        {
            "id": "Point",
            "type": "object",
            "properties": [
                { "name": "x", "type": "number" },
                { "name": "y", "type": "number" }
            ]
        },
        {
            "id": "Size",
            "type": "object",
            "properties": [
                { "name": "width", "type": "integer" },
                { "name": "height", "type": "integer" }
            ]
        },
        {
            "id": "Quad",
            "description": "A quad is a collection of 4 points. When initialized from a rect, the points are in clockwise order from top left.",
            "type": "array",
            "items": { "$ref": "Point" }
        },
        {
            "id": "Rect",
            "description": "A rectangle specified by a reference coordinate and width/height offsets.",
            "type": "object",
            "properties": [
                { "name": "x", "type": "number" },
                { "name": "y", "type": "number" },
                { "name": "width", "type": "number" },
                { "name": "height", "type": "number" }
            ]
        },
        {
            "id": "DisplayPath",
            "description": "A vector path described using SVG path syntax.",
            "type": "array",
            "items": { "type": "any" }
        },
        {
            "id": "ShapeOutsideData",
            "type": "object",
            "properties": [
                { "name": "bounds", "$ref": "Quad", "description": "Bounds for the shape-outside paths." },
                { "name": "shape", "$ref": "DisplayPath", "description": "Path for the element's shape.", "optional": true },
                { "name": "marginShape", "$ref": "DisplayPath", "description": "Path for the element's margin shape.", "optional": true }
            ]
        },
        {
            "id": "ElementData",
            "description": "Data that describes an element to be highlighted.",
            "type": "object",
            "properties": [
                { "name": "tagName", "type": "string" },
                { "name": "idValue", "type": "string", "description": "The value of the element's 'id' attribute." },
                { "name": "classes", "type": "array", "items": { "type": "string" }, "optional": true },
                { "name": "size", "$ref": "Size", "optional": true },
                { "name": "role", "type": "string", "description": "Computed accessibility role for the element.", "optional": true },
                { "name": "pseudoElement", "type": "string", "optional": true },
                { "name": "shapeOutsideData", "$ref": "ShapeOutsideData", "optional": true }
            ]
        },
        {
            "id": "FragmentHighlightData",
            "description": "Data required to highlight multiple quads.",
            "type": "object",
            "properties": [
                { "name": "quads", "type": "array", "items": { "$ref": "Quad" }, "description": "Quads for which the highlight should be applied."},
                { "name": "contentColor", "type": "string" },
                { "name": "contentOutlineColor", "type": "string" },
                { "name": "paddingColor", "type": "string" },
                { "name": "borderColor", "type": "string" },
                { "name": "marginColor", "type": "string" }
            ]
        },
        {
            "id": "NodeHighlightData",
            "description": "Data required to highlight a DOM node.",
            "type": "object",
            "properties": [
                { "name": "scrollOffset", "$ref": "Point", "description": "Scroll offset for the MainFrame's FrameView that is shared across all quads." },
                { "name": "fragments", "type": "array", "items": { "$ref": "FragmentHighlightData" } },
                { "name": "elementData", "$ref": "ElementData", "optional": true }
            ]
        },
        {
            "id": "OverlayConfiguration",
            "description": "Data required to configure the overlay's size and scaling behavior.",
            "type": "object",
            "properties": [
                { "name": "deviceScaleFactor", "type": "number" },
                { "name": "viewportSize", "$ref": "Size" },
                { "name": "pageScaleFactor", "type": "number" },
                { "name": "pageZoomFactor", "type": "number" },
                { "name": "scrollOffset", "$ref": "Point" },
                { "name": "contentInset", "$ref": "Size" },
                { "name": "showRulers", "type": "boolean" }
            ]
        }
    ]
}