public abstract class ReadOnlyListBase<T> : IEnumerable, 
	IList, ICollection, IList<T>, ICollection<T>, IEnumerable<T>

Public MustInherit Class ReadOnlyListBase(Of T)
	Implements IEnumerable, IList, ICollection, IList(Of T), 
	ICollection(Of T), IEnumerable(Of T)

generic<typename T>
public ref class ReadOnlyListBase abstract : IEnumerable, 
	IList, ICollection, IList<T>, ICollection<T>, IEnumerable<T>

[<AbstractClassAttribute>]
type ReadOnlyListBase<'T> =  
    class
        interface IEnumerable
        interface IList
        interface ICollection
        interface IList<'T>
        interface ICollection<'T>
        interface IEnumerable<'T>
    end