}

    @Override
    NavigableMap<K, V1> fromMap() {
      return (NavigableMap<K, V1>) super.fromMap();
    }
  }

  static <K extends @Nullable Object> Predicate<Entry<K, ?>> keyPredicateOnEntries(
      Predicate<? super K> keyPredicate) {
    return compose(keyPredicate, Entry::getKey);
  }

  static <V extends @Nullable Object> Predicate<Entry<?, V>> valuePredicateOnEntries(

    }

    @Override
    NavigableMap<K, V1> fromMap() {
      return (NavigableMap<K, V1>) super.fromMap();
    }
  }

  static <K extends @Nullable Object> Predicate<Entry<K, ?>> keyPredicateOnEntries(
      Predicate<? super K> keyPredicate) {
    return compose(keyPredicate, Entry::getKey);
  }

  static <V extends @Nullable Object> Predicate<Entry<?, V>> valuePredicateOnEntries(

        return StandardTable.this.remove(obj, columnKey) != null;
      }

      @Override
      public boolean retainAll(Collection<?> c) {
        return removeFromColumnIf(Maps.keyPredicateOnEntries(not(in(c))));
      }
    }

    @Override
    Collection<V> createValues() {
      return new Values();
    }

    @WeakOuter
    private final class Values extends Maps.Values<R, V> {