ICloneableT - интерфейс

public interface ICloneable<out T> : ICloneable
where T : Object, ICloneable<T>

Public Interface ICloneable(Of Out T As {Object, ICloneable(Of T)})
	Inherits ICloneable

generic<typename T>
where T : Object, ICloneable<T>
public interface class ICloneable : ICloneable

type ICloneable<'T when 'T : Object and ICloneable<'T>> =  
    interface
        interface ICloneable
    end