private void detach_Participant(Participant entity)
		{
			this.SendPropertyChanging();
			entity.Human = null;
		}
		private void attach_Participant(Participant entity)
		{
			this.SendPropertyChanging();
			entity.Human = this;
		}
 partial void UpdateParticipant(Participant instance);
 partial void DeleteParticipant(Participant instance);
 partial void InsertParticipant(Participant instance);