public sealed class BcfColumnTypeNullable<TProperty> : BcfColumnType<Nullable<TProperty>>
where TProperty : struct, new()

Public NotInheritable Class BcfColumnTypeNullable(Of TProperty As {Structure, New})
	Inherits BcfColumnType(Of Nullable(Of TProperty))

generic<typename TProperty>
where TProperty : value class, gcnew()
public ref class BcfColumnTypeNullable sealed : public BcfColumnType<Nullable<TProperty>>

[<SealedAttribute>]
type BcfColumnTypeNullable<'TProperty when 'TProperty : struct, new()> =  
    class
        inherit BcfColumnType<Nullable<'TProperty>>
    end