partial void DeleteUserTypePrivilegeRef(UserTypePrivilegeRef instance);
 partial void UpdateUserTypePrivilegeRef(UserTypePrivilegeRef instance);
		private void detach_UserTypePrivilegeRefs(UserTypePrivilegeRef entity)
		{
			this.SendPropertyChanging();
			entity.Privilege = null;
		}
 partial void InsertUserTypePrivilegeRef(UserTypePrivilegeRef instance);
		private void attach_UserTypePrivilegeRefs(UserTypePrivilegeRef entity)
		{
			this.SendPropertyChanging();
			entity.UserType = this;
		}