{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "EmulateOverrides",
  "description": "Concrete emulation overrides for one tab. Field presence drives the extension: only the overrides whose fields are set are touched, so a call may change just the UA, just the viewport, or any combination.",
  "type": "object",
  "properties": {
    "accept_language": {
      "description": "`Accept-Language` header override. Requires `user_agent`.",
      "type": [
        "string",
        "null"
      ]
    },
    "device_scale_factor": {
      "description": "Device scale factor (device pixel ratio). Only meaningful with `width`/`height`; the extension maps `None` to CDP's `0` (\"use the display's native factor\").",
      "type": [
        "number",
        "null"
      ],
      "format": "double"
    },
    "height": {
      "description": "Viewport height in CSS pixels. Requires `width`.",
      "type": [
        "integer",
        "null"
      ],
      "format": "uint32",
      "minimum": 0.0
    },
    "max_touch_points": {
      "description": "Touch points reported while touch emulation is on (CDP defaults to 1 when omitted).",
      "type": [
        "integer",
        "null"
      ],
      "format": "uint32",
      "minimum": 0.0
    },
    "mobile": {
      "description": "Emulate a mobile viewport (meta-viewport handling, overlay scrollbars). Only meaningful with `width`/`height`.",
      "type": [
        "boolean",
        "null"
      ]
    },
    "touch": {
      "description": "Enable/disable touch emulation (`Emulation.setTouchEmulationEnabled`). When omitted while `max_touch_points` is set, touch is enabled.",
      "type": [
        "boolean",
        "null"
      ]
    },
    "user_agent": {
      "description": "UA string for `Emulation.setUserAgentOverride`.",
      "type": [
        "string",
        "null"
      ]
    },
    "user_agent_metadata": {
      "description": "UA client-hints metadata. Requires `user_agent`.",
      "anyOf": [
        {
          "$ref": "#/definitions/UserAgentMetadata"
        },
        {
          "type": "null"
        }
      ]
    },
    "width": {
      "description": "Viewport width in CSS pixels. Requires `height`.",
      "type": [
        "integer",
        "null"
      ],
      "format": "uint32",
      "minimum": 0.0
    }
  },
  "definitions": {
    "UserAgentBrandVersion": {
      "description": "One entry of CDP `Emulation.UserAgentBrandVersion` (UA client hints).",
      "type": "object",
      "required": [
        "brand",
        "version"
      ],
      "properties": {
        "brand": {
          "type": "string"
        },
        "version": {
          "type": "string"
        }
      }
    },
    "UserAgentMetadata": {
      "description": "Mirror of CDP `Emulation.UserAgentMetadata`; every field is optional and only sent when present.",
      "type": "object",
      "properties": {
        "architecture": {
          "type": [
            "string",
            "null"
          ]
        },
        "brands": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/UserAgentBrandVersion"
          }
        },
        "full_version": {
          "type": [
            "string",
            "null"
          ]
        },
        "mobile": {
          "type": [
            "boolean",
            "null"
          ]
        },
        "model": {
          "type": [
            "string",
            "null"
          ]
        },
        "platform": {
          "type": [
            "string",
            "null"
          ]
        },
        "platform_version": {
          "type": [
            "string",
            "null"
          ]
        }
      }
    }
  }
}