NumericTypeT, TType Class

public abstract class NumericType<T, TType> : INumericType<T>, 
	IType
where T : Object, IComparable<T>
where TType : class, Object, INumericType<T>

Public MustInherit Class NumericType(Of T As {Object, IComparable(Of T)}, TType As {Class, Object, INumericType(Of T)})
	Implements INumericType(Of T), IType

generic<typename T, typename TType>
where T : Object, IComparable<T>
where TType : ref class, Object, INumericType<T>
public ref class NumericType abstract : INumericType<T>, 
	IType

[<AbstractClassAttribute>]
type NumericType<'T, 'TType when 'T : Object and IComparable<'T> when 'TType : not struct and Object and INumericType<'T>> =  
    class
        interface INumericType<'T>
        interface IType
    end