/// <inheritdoc />
 /// <summary>
 /// </summary>
 public void OnParticipantLeft(Participant participant)
 {
     OnOpponentDisconnected?.Invoke();
 }
 /// <summary>
 /// Processes player leaving the room.
 /// </summary>
 public void OnLeftRoom()
 {
     //Because we do not know our id anymore.
     OnPlayerLeft?.Invoke("-1");
     OnOpponentDisconnected?.Invoke();
 }