public abstract class ContextCache<TClass> : CacheValue<TClass>
where TClass : class

Public MustInherit Class ContextCache(Of TClass As Class)
	Inherits CacheValue(Of TClass)

generic<typename TClass>
where TClass : ref class
public ref class ContextCache abstract : public CacheValue<TClass>

[<AbstractClassAttribute>]
type ContextCache<'TClass when 'TClass : not struct> =  
    class
        inherit CacheValue<'TClass>
    end