Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteRelationshipDescriptorPair(RelationshipDescriptorPair instance);
		private void detach_RelationshipDescriptorPairs(RelationshipDescriptorPair entity)
		{
			this.SendPropertyChanging();
			entity.RelationshipType = null;
		}
 partial void InsertRelationshipDescriptorPair(RelationshipDescriptorPair instance);
		private void attach_RelationshipDescriptorPairs(RelationshipDescriptorPair entity)
		{
			this.SendPropertyChanging();
			entity.DescriptorType = this;
		}