/// <summary>
/// Fires when this player reaches a keyframe. Typically, this is after events
/// like click are injected and any resulting animations have been completed.
/// </summary>
/// <param name="this">
/// </param>
/// <param name="eventDescriptor"><p>The keyframe event descriptor.</p>
/// </param>
/// <param name="eOpts"><p>The options object passed to <see cref="Ext.util.Observable.addListener">Ext.util.Observable.addListener</see>.</p>
/// </param>
public void keyframe(Player @this, object eventDescriptor, object eOpts){}
/// <summary>
/// Fires before an event is played.
/// </summary>
/// <param name="this">
/// </param>
/// <param name="eventDescriptor"><p>The event descriptor about to be played.</p>
/// </param>
/// <param name="eOpts"><p>The options object passed to <see cref="Ext.util.Observable.addListener">Ext.util.Observable.addListener</see>.</p>
/// </param>
public void beforeplay(Player @this, object eventDescriptor, object eOpts){}