A controller that manages timeline playback.
The entity that the timeline player is playing on.
The controller is valid.
Closes the current controller.
Gets the duration of the timeline.
Returns whether the timeline has completed.
Returns whether the timeline is paused.
Returns whether the timeline is playing.
Returns whether the timeline is stopped.
Pauses the timeline.
Plays the timeline.
Resumes the timeline.
Stops the timeline.