CopyableViewModelCollectionTItemModel, TItemViewModel, TItemData - класс

Public MustInherit Class CopyableViewModelCollection(Of TItemModel As Class, TItemViewModel As ViewModel(Of TItemModel), TItemData)
	Inherits EditableViewModelCollection(Of TItemModel, TItemViewModel)

generic<typename TItemModel, typename TItemViewModel, typename TItemData>
where TItemModel : ref class
where TItemViewModel : ViewModel<TItemModel>
public ref class CopyableViewModelCollection abstract : public EditableViewModelCollection<TItemModel, TItemViewModel>

[<AbstractClassAttribute>]
type CopyableViewModelCollection<'TItemModel, 'TItemViewModel, 'TItemData when 'TItemModel : not struct when 'TItemViewModel : ViewModel<'TItemModel>> = 
    class
        inherit EditableViewModelCollection<'TItemModel, 'TItemViewModel>
    end