public abstract class BcfTable<TRow> : BcfTable, 
	IEnumerable<TRow>, IEnumerable
where TRow : BcfRow

Public MustInherit Class BcfTable(Of TRow As BcfRow)
	Inherits BcfTable
	Implements IEnumerable(Of TRow), IEnumerable

generic<typename TRow>
where TRow : BcfRow
public ref class BcfTable abstract : public BcfTable, 
	IEnumerable<TRow>, IEnumerable

[<AbstractClassAttribute>]
type BcfTable<'TRow when 'TRow : BcfRow> =  
    class
        inherit BcfTable
        interface IEnumerable<'TRow>
        interface IEnumerable
    end