[
  {
    "namespace": "manifest",
    "types": [
      {
        "$extend": "OptionalOnlyPermission",
        "choices": [
          {
            "type": "string",
            "enum": ["userScripts"]
          }
        ]
      },
      {
        "$extend": "WebExtensionManifest",
        "properties": {
          "user_scripts": {
            "type": "object",
            "max_manifest_version": 2,
            "optional": true,
            "properties": {
              "api_script": {
                "optional": true,
                "$ref": "manifest.ExtensionURL"
              }
            },
            "additionalProperties": { "$ref": "UnrecognizedProperty" }
          }
        }
      }
    ]
  },
  {
    "namespace": "userScripts",
    "permissions": ["manifest:user_scripts", "userScripts"],
    "types": [
      {
        "id": "UserScriptOptions",
        "max_manifest_version": 2,
        "type": "object",
        "description": "Details of a user script",
        "properties": {
          "js": {
            "type": "array",
            "optional": false,
            "description": "The list of JS files to inject",
            "minItems": 1,
            "items": { "$ref": "extensionTypes.ExtensionFileOrCode" }
          },
          "scriptMetadata": {
            "description": "An opaque user script metadata value",
            "$ref": "extensionTypes.PlainJSONValue",
            "optional": true
          },
          "matches": {
            "type": "array",
            "optional": false,
            "minItems": 1,
            "items": { "$ref": "manifest.MatchPattern" }
          },
          "excludeMatches": {
            "type": "array",
            "optional": true,
            "minItems": 1,
            "items": { "$ref": "manifest.MatchPattern" }
          },
          "includeGlobs": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          },
          "excludeGlobs": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          },
          "allFrames": {
            "type": "boolean",
            "default": false,
            "optional": true,
            "description": "If allFrames is <code>true</code>, implies that the JavaScript should be injected into all frames of current page. By default, it's <code>false</code> and is only injected into the top frame."
          },
          "matchAboutBlank": {
            "type": "boolean",
            "default": false,
            "optional": true,
            "description": "If matchAboutBlank is true, then the code is also injected in about:blank and about:srcdoc frames if your extension has access to its parent document. Code cannot be inserted in top-level about:-frames. By default it is <code>false</code>."
          },
          "runAt": {
            "$ref": "extensionTypes.RunAt",
            "default": "document_idle",
            "optional": true,
            "description": "The soonest that the JavaScript will be injected into the tab. Defaults to \"document_idle\"."
          },
          "cookieStoreId": {
            "choices": [
              {
                "type": "array",
                "minItems": 1,
                "items": { "type": "string" }
              },
              {
                "type": "string"
              }
            ],
            "optional": true,
            "description": "limit the set of matched tabs to those that belong to the given cookie store id"
          }
        }
      },
      {
        "id": "RegisteredUserScript",
        "min_manifest_version": 3,
        "type": "object",
        "description": "An object that represents a user script registered programmatically",
        "properties": {
          "id": {
            "type": "string",
            "optional": false,
            "description": "The ID of the user script specified in the API call. This property must not start with a '_' as it's reserved as a prefix for generated script IDs."
          },
          "allFrames": {
            "type": "boolean",
            "optional": true,
            "description": "If allFrames is <code>true</code>, implies that the JavaScript should be injected into all frames of current page. By default, it's <code>false</code> and is only injected into the top frame."
          },
          "js": {
            "type": "array",
            "optional": false,
            "description": "The list of ScriptSource objects defining sources of scripts to be injected into matching pages.",
            "items": { "$ref": "ScriptSource" }
          },
          "matches": {
            "type": "array",
            "optional": true,
            "description": "At least one of matches or includeGlobs should be non-empty. The script runs in documents whose URL match either pattern.",
            "items": { "$ref": "manifest.MatchPattern" }
          },
          "excludeMatches": {
            "type": "array",
            "optional": true,
            "items": { "$ref": "manifest.MatchPattern" }
          },
          "includeGlobs": {
            "type": "array",
            "optional": true,
            "description": "At least one of matches or includeGlobs should be non-empty. The script runs in documents whose URL match either pattern.",
            "items": { "type": "string" }
          },
          "excludeGlobs": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          },
          "runAt": {
            "$ref": "extensionTypes.RunAt",
            "optional": true,
            "description": "The soonest that the JavaScript will be injected into the tab. Defaults to \"document_idle\"."
          },
          "world": {
            "$ref": "ExecutionWorld",
            "optional": true,
            "description": "The JavaScript script for a script to execute within. Defaults to \"USER_SCRIPT\"."
          },
          "worldId": {
            "type": "string",
            "optional": true,
            "description": "If specified, specifies a specific user script world ID to execute in. Only valid if `world` is omitted or is `USER_SCRIPT`. If `worldId` is omitted, the script will execute in the default user script world (\"\"). Values with leading underscores (`_`) are reserved. The maximum length is 256."
          }
        }
      },
      {
        "id": "ExecutionWorld",
        "min_manifest_version": 3,
        "type": "string",
        "enum": ["MAIN", "USER_SCRIPT"],
        "description": "The JavaScript world for a script to execute within. <code>USER_SCRIPT</code> is the default execution environment of user scripts, <code>MAIN</code> is the web page's execution environment."
      },
      {
        "id": "UserScriptFilter",
        "min_manifest_version": 3,
        "type": "object",
        "description": "Optional filter to use with getScripts() and unregister().",
        "properties": {
          "ids": {
            "type": "array",
            "optional": true,
            "items": { "type": "string" }
          }
        }
      },
      {
        "id": "ScriptSource",
        "min_manifest_version": 3,
        "description": "Object with file xor code property. Equivalent to the ExtensionFileOrCode, except the file remains a relative URL.",
        "choices": [
          {
            "type": "object",
            "properties": {
              "file": {
                "type": "string",
                "description": "The path of the JavaScript file to inject relative to the extension's root directory.",
                "format": "unresolvedRelativeUrl"
              }
            }
          },
          {
            "type": "object",
            "properties": {
              "code": {
                "type": "string"
              }
            }
          }
        ]
      },
      {
        "id": "WorldProperties",
        "min_manifest_version": 3,
        "type": "object",
        "description": "The configuration of a USER_SCRIPT world.",
        "properties": {
          "worldId": {
            "type": "string",
            "optional": true,
            "default": "",
            "description": "The identifier of the world. Values with leading underscores (`_`) are reserved. The maximum length is 256. Defaults to the default USER_SCRIPT world (\"\")."
          },
          "csp": {
            "type": "string",
            "optional": true,
            "description": "The world's Content Security Policy. Defaults to the CSP of regular content scripts, which prohibits dynamic code execution such as eval."
          },
          "messaging": {
            "type": "boolean",
            "optional": true,
            "default": false,
            "description": "Whether the runtime.sendMessage and runtime.connect methods are exposed. Defaults to not exposing these messaging APIs."
          }
        }
      }
    ],
    "functions": [
      {
        "name": "register",
        "max_manifest_version": 2,
        "type": "function",
        "description": "Register a user script programmatically given its $(ref:userScripts.UserScriptOptions), and resolves to an object with the unregister() function",
        "async": "callback",
        "parameters": [
          {
            "name": "userScriptOptions",
            "$ref": "UserScriptOptions"
          },
          {
            "name": "callback",
            "type": "function",
            "parameters": [
              {
                "name": "legacyRegisteredUserScript",
                "type": "object",
                "description": "An object that represents a user script registered programmatically",
                "properties": {
                  "unregister": {
                    "type": "function",
                    "description": "Unregister a user script registered programmatically",
                    "async": true,
                    "parameters": []
                  }
                }
              }
            ]
          }
        ]
      },
      {
        "name": "register",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Registers one or more user scripts for this extension.",
        "async": true,
        "parameters": [
          {
            "name": "scripts",
            "type": "array",
            "items": { "$ref": "RegisteredUserScript" },
            "description": "List of user scripts to be registered."
          }
        ]
      },
      {
        "name": "update",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Updates one or more user scripts for this extension.",
        "async": true,
        "parameters": [
          {
            "name": "scripts",
            "type": "array",
            "items": {
              "type": "object",
              "$import": "RegisteredUserScript",
              "properties": {
                "js": {
                  "type": "array",
                  "optional": true,
                  "items": { "$ref": "ScriptSource" }
                }
              }
            },
            "description": "List of user scripts to be updated."
          }
        ]
      },
      {
        "name": "unregister",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Unregisters all dynamically-registered user scripts for this extension.",
        "async": true,
        "parameters": [
          {
            "name": "filter",
            "$ref": "UserScriptFilter",
            "optional": true,
            "description": "If specified, this method unregisters only the user scripts that match it."
          }
        ]
      },
      {
        "name": "getScripts",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Returns all dynamically-registered user scripts for this extension.",
        "async": "callback",
        "parameters": [
          {
            "name": "filter",
            "$ref": "UserScriptFilter",
            "optional": true,
            "description": "If specified, this method returns only the user scripts that match it."
          },
          {
            "name": "callback",
            "type": "function",
            "parameters": [
              {
                "name": "scripts",
                "type": "array",
                "items": { "$ref": "RegisteredUserScript" },
                "description": "List of registered user scripts."
              }
            ]
          }
        ]
      },
      {
        "name": "configureWorld",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Configures the environment for scripts running in a USER_SCRIPT world.",
        "async": true,
        "parameters": [
          {
            "name": "properties",
            "$ref": "WorldProperties",
            "description": "The desired configuration for a USER_SCRIPT world."
          }
        ]
      },
      {
        "name": "resetWorldConfiguration",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Resets the configuration for a given world. That world will fall back to the default world's configuration.",
        "async": true,
        "parameters": [
          {
            "name": "worldId",
            "type": "string",
            "optional": true,
            "default": "",
            "description": "The ID of the USER_SCRIPT world to reset. If omitted or empty, resets the default world's configuration."
          }
        ]
      },
      {
        "name": "getWorldConfigurations",
        "min_manifest_version": 3,
        "type": "function",
        "description": "Returns all registered USER_SCRIPT world configurations.",
        "async": "callback",
        "parameters": [
          {
            "name": "callback",
            "type": "function",
            "parameters": [
              {
                "name": "configurations",
                "type": "array",
                "items": { "$ref": "WorldProperties" },
                "description": "All configurations registered with configureWorld()."
              }
            ]
          }
        ]
      }
    ]
  }
]