@Override
        public boolean removeAll(Collection<?> c) {
          return removeEntriesIf(Maps.<Collection<V>>valuePredicateOnEntries(in(c)));
        }

        @Override
        public boolean retainAll(Collection<?> c) {
          return removeEntriesIf(Maps.<Collection<V>>valuePredicateOnEntries(not(in(c))));
        }
      }
      return new ValuesImpl();
    }
  }

  @Override

        @Override
        public boolean removeAll(Collection<?> c) {
          return removeEntriesIf(Maps.<Collection<V>>valuePredicateOnEntries(in(c)));
        }

        @Override
        public boolean retainAll(Collection<?> c) {
          return removeEntriesIf(Maps.<Collection<V>>valuePredicateOnEntries(not(in(c))));
        }
      }
      return new ValuesImpl();
    }
  }

  @Override