SelectableViewModelCollectionTItemModel, TItemViewModel - класс

Public Class SelectableViewModelCollection(Of TItemModel As Class, TItemViewModel As {ViewModel(Of TItemModel), ISelectableViewModel})
	Inherits ViewModelCollection(Of TItemModel, TItemViewModel)

generic<typename TItemModel, typename TItemViewModel>
where TItemModel : ref class
where TItemViewModel : ViewModel<TItemModel>, ISelectableViewModel
public ref class SelectableViewModelCollection : public ViewModelCollection<TItemModel, TItemViewModel>

type SelectableViewModelCollection<'TItemModel, 'TItemViewModel when 'TItemModel : not struct when 'TItemViewModel : ViewModel<'TItemModel> and ISelectableViewModel> = 
    class
        inherit ViewModelCollection<'TItemModel, 'TItemViewModel>
    end