[null,null,["Última atualização 2023-12-02 UTC."],[[["The `GCKMediaTrack` class represents a media track with properties like identifier, content type, and language."],["Instances of `GCKMediaTrack` are immutable, meaning their properties cannot be changed after creation."],["It provides a designated initializer to create instances with specific property values."],["`GCKMediaTrack` inherits from `NSObject`, `NSCopying`, and `NSSecureCoding`, offering functionalities related to object copying and secure coding."],["The class includes properties for custom data that can be serialized to JSON."]]],[]]