ResolverTKey, TValue - класс

public abstract class Resolver<TKey, TValue> : IResolver<TKey, TValue>
where TValue : class

Public MustInherit Class Resolver(Of TKey, TValue As Class)
	Implements IResolver(Of TKey, TValue)

generic<typename TKey, typename TValue>
where TValue : ref class
public ref class Resolver abstract : IResolver<TKey, TValue>

[<AbstractClassAttribute>]
type Resolver<'TKey, 'TValue when 'TValue : not struct> =  
    class
        interface IResolver<'TKey, 'TValue>
    end