Type Alias CastState

CastState:
    | "unavailable"
    | "available"
    | "connecting"
    | "connected"

The state of a casting process, represented by a value from the following list:
- 'unavailable': No available cast devices.
- 'available': Cast device available, but the player is not connected.
- 'connecting': Cast device available and the player is connecting.
- 'connected': Cast device available and the player is connected.