Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
		private void detach_Metadatas(Metadata entity)
		{
			this.SendPropertyChanging();
			entity.DescriptorType = null;
		}
 partial void UpdateMetadata(Metadata instance);
 partial void DeleteMetadata(Metadata instance);
 partial void InsertMetadata(Metadata instance);
		private void detach_Metadatas(Metadata entity)
		{
			this.SendPropertyChanging();
			entity.Relationship = null;
		}
		private void detach_Metadatas1(Metadata entity)
		{
			this.SendPropertyChanging();
			entity.Node1 = null;
		}
		private void attach_Metadatas(Metadata entity)
		{
			this.SendPropertyChanging();
			entity.Node = this;
		}
		private void detach_Metadatas(Metadata entity)
		{
			this.SendPropertyChanging();
			entity.Domain = null;
		}