public static void RemoveOnVideoStartedMethod(AdColony.VideoStartedDelegate onVideoStarted)
 {
     AdColony.OnVideoStarted -= onVideoStarted;
 }
 //---------------------------------------------------------------------------
 // AdManager Delegate Wrapper
 //---------------------------------------------------------------------------
 public static void AddOnVideoStartedMethod(AdColony.VideoStartedDelegate onVideoStarted)
 {
     AdColony.OnVideoStarted += onVideoStarted;
 }