partial void DeleteSecurityGroup(SecurityGroup instance);
 partial void UpdateSecurityGroup(SecurityGroup instance);
		private void detach_SecurityGroups1(SecurityGroup entity)
		{
			this.SendPropertyChanging();
			entity.Container = null;
		}
 partial void InsertSecurityGroup(SecurityGroup instance);
		private void detach_SecurityGroups(SecurityGroup entity)
		{
			this.SendPropertyChanging();
			entity.SecurityTrustee = null;
		}