Accepting Wildcard Java Generics

    public ValueAddedEventArgs(Collection<T> addedto, Wrapper<? extends Collection<? extends T>> wrapper)
    {
        super();
        this.collectionAddedTo = addedto;
        this.valuesAddedWrapper = (Wrapper<Collection<T>>)wrapper;
    }

    protected Collection<T> collectionAddedTo;
    protected Wrapper<Collection<T>> valuesAddedWrapper;