}
    };
  }

  @Override
  @GwtIncompatible("Spliterator")
  Spliterator<Entry<K, V>> entrySpliterator() {
    return CollectSpliterators.flatMap(
        asMap().entrySet().spliterator(),
        keyToValueCollectionEntry -> {
          K key = keyToValueCollectionEntry.getKey();
          Collection<V> valueCollection = keyToValueCollectionEntry.getValue();

        }

        request.setToolchains(
                Optional.ofNullable(context.effectiveToolchains).map(PersistedToolchains::getToolchains).stream()
                        .flatMap(List::stream)
                        .map(ToolchainModel::new)
                        .collect(Collectors.groupingBy(ToolchainModel::getType)));

    }
  }

  static <E extends @Nullable Object> Spliterator<E> spliteratorImpl(Multiset<E> multiset) {
    Spliterator<Entry<E>> entrySpliterator = multiset.entrySet().spliterator();
    return CollectSpliterators.flatMap(
        entrySpliterator,
        (Entry<E> entry) -> Collections.nCopies(entry.getCount(), entry.getElement()).spliterator(),
        Spliterator.SIZED
            | (entrySpliterator.characteristics()

                                HashMap::putAll));
            }
            propMap.put(DEFAULT_LABEL_VALUES, map);
        }
        return map.entrySet().stream().flatMap(e -> {
            final String key = e.getKey();
            if (StringUtil.isEmpty(key) || userBean