IPropertyContainerTModel - интерфейс

public interface IPropertyContainer<TModel> : IPropertyContainer, 
	IViewModel, INotifyPropertyChanged
where TModel : class

Public Interface IPropertyContainer(Of TModel As Class)
	Inherits IPropertyContainer, IViewModel, INotifyPropertyChanged

generic<typename TModel>
where TModel : ref class
public interface class IPropertyContainer : IPropertyContainer, 
	IViewModel, INotifyPropertyChanged

type IPropertyContainer<'TModel when 'TModel : not struct> =  
    interface
        interface IPropertyContainer
        interface IViewModel
        interface INotifyPropertyChanged
    end