[null,null,["最后更新时间 (UTC)：2023-12-02。"],[[["`GCKApplicationMetadata` provides comprehensive information about a Cast receiver application, including its ID, name, icon, and supported namespaces."],["It includes details about the sender application, such as its identifier and launch URL, if available."],["Developers can access properties like `applicationID`, `applicationName`, `images`, and `namespaces` to utilize app metadata."],["It also offers methods like `senderAppIdentifier` and `senderAppLaunchURL` for retrieving sender application details."],["The class inherits from `NSObject` and conforms to the `NSCopying` protocol for object copying."]]],["The `UserActionState` class represents the state of a user action related to media. It's created using a `UserAction` parameter which cannot be null. It has two properties: `userAction`, which holds the user's action, and `customData`, which is an optional field for application-specific data. This data structure is utilized to manage and convey information about specific media user interactions.\n"]]
