Method forEach

guava/src/com/google/common/collect/Maps.java:1085–1088

(BiConsumer<? super K, ? super V> action)

    }

    @Override
    public void forEach(BiConsumer<? super K, ? super V> action) {
      set.forEach(k -> action.accept(k, function.apply(k)));
    }

    @Override
    Iterator<Entry<K, V>> descendingEntryIterator() {