Struct that holds information regarding an output of a PlayableAsset.
PlayableAssets specify the type of outputs it supports using PlayableBindings.
| DefaultDuration | The default duration used when a PlayableOutput has no fixed duration. |
| None | A constant to represent a PlayableAsset has no bindings. |
| sourceBindingType | When the StreamType is set to None, a binding can be represented using System.Type. |
| sourceObject | A reference to a UnityEngine.Object that acts a key for this binding. |
| streamName | The name of the output or input stream. |
| streamType | The type of the output or input stream. |