}

        @Override
        public void remove() {
          checkState(entry != null, "no calls to next() since the last call to remove()");
          Collection<V> collection = entry.getValue();
          entryIterator.remove();
          totalSize -= collection.size();
          collection.clear();
          entry = null;
        }
      };
    }

        }

        @Override
        public void remove() {
          checkState(entry != null, "no calls to next() since the last call to remove()");
          Collection<V> collection = entry.getValue();
          entryIterator.remove();
          totalSize -= collection.size();
          collection.clear();
          entry = null;
        }
      };
    }