return new NavigableKeySet(sortedMap().tailMap(fromElement, inclusive));
    }
  }

  /** Removes all values for the provided key. */
  private void removeValuesForKey(@CheckForNull Object key) {
    Collection<V> collection = Maps.safeRemove(map, key);

    if (collection != null) {
      int count = collection.size();
      collection.clear();

      return new NavigableKeySet(sortedMap().tailMap(fromElement, inclusive));
    }
  }

  /** Removes all values for the provided key. */
  private void removeValuesForKey(@CheckForNull Object key) {
    Collection<V> collection = Maps.safeRemove(map, key);

    if (collection != null) {
      int count = collection.size();
      collection.clear();

      return multimap.keySet().size();
    }

    @Override
    protected Set<Entry<K, Collection<V>>> createEntrySet() {
      return new EntrySet();
    }

    void removeValuesForKey(@CheckForNull Object key) {
      multimap.keySet().remove(key);
    }

    @WeakOuter
    class EntrySet extends Maps.EntrySet<K, Collection<V>> {
      @Override