public abstract class EnumerableMessagePackSerializerBase<TCollection, TItem> : MessagePackSerializer<TCollection>, 
	ICollectionInstanceFactory
where TCollection : Object, IEnumerable<TItem>

Public MustInherit Class EnumerableMessagePackSerializerBase(Of TCollection As {Object, IEnumerable(Of TItem)}, TItem)
	Inherits MessagePackSerializer(Of TCollection)
	Implements ICollectionInstanceFactory

generic<typename TCollection, typename TItem>
where TCollection : Object, IEnumerable<TItem>
public ref class EnumerableMessagePackSerializerBase abstract : public MessagePackSerializer<TCollection>, 
	ICollectionInstanceFactory

[<AbstractClassAttribute>]
type EnumerableMessagePackSerializerBase<'TCollection, 'TItem when 'TCollection : Object and IEnumerable<'TItem>> =  
    class
        inherit MessagePackSerializer<'TCollection>
        interface ICollectionInstanceFactory
    end