void () { final Function<? super K, ? extends U> transformer; final Consumer<? super U> action; if ((transformer = this.transformer) != null && (action = this.action) != null) { for (int i = baseIndex, f, h; batch > 0 && (h = ((f = baseLimit) + i) >>> 1) > i;) { addToPendingCount(1); new ForEachTransformedKeyTask<K,V,U> (this, batch >>>= 1, baseLimit = h, f, tab, transformer, action).fork(); } for (Node<K,V> p; (p = advance()) != null; ) { U u; if ((u = transformer.apply(p.key)) != null) action.accept(u); } propagateCompletion(); } }