DefaultValueStack.java

   @Override
    @SuppressWarnings("unchecked")
    public void pushAll(final V firstValue, final V... moreValues)
    {
        // FIXME: hackish :/ Can throw ClassCastException all right
        if (firstValue instanceof Iterable
            && moreValues != null
            && moreValues.length == 0) {
            pushAll((Iterable<V>) firstValue);
            return;
        }
        final Deque<V> deque = new LinkedList<V>();
        // FIXME: null sucks
        if (moreValues == null)
            deque.push(null);
        else
            deque.addAll(Arrays.asList(moreValues));
        deque.push(firstValue);
        pushAll(deque);
    }

    /**
     * Pushes all given elements onto the stack (in the order as given).
     *
     * @param values the values
     */
    @Override
    public void pushAll(@Nonnull final Iterable<V> values)
    {
        final List<V> newStack = Lists.newArrayList(values);
        newStack.addAll(stack);
        stack = newStack;
    }