Entry<String, Collection<Integer>> entry = iterator.next();
    assertEquals(null, entry.getKey());
    assertThat(entry.getValue()).containsExactly(7, 3, 1);
    entry = iterator.next();
    assertEquals("tree", entry.getKey());
    assertThat(entry.getValue()).containsExactly(null, 0);
    entry = iterator.next();
    assertEquals("google", entry.getKey());
    assertThat(entry.getValue()).containsExactly(6, 2);
  }

        return entryIterator.hasNext();
      }

      @Override
      public K next() {
        return entryIterator.next().getKey();
      }
    };
  }

  Spliterator<K> keySpliterator() {
    return CollectSpliterators.map(entrySet().spliterator(), Entry::getKey);
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableCollection<V> values;

  /**

                buf.append('{');
                boolean first2 = true;
                for (final Map.Entry<String, Object> entry : doc.entrySet()) {
                    final String name = entry.getKey();
                    if (StringUtil.isNotBlank(name) && entry.getValue() != null) {
                        if (!first2) {
                            buf.append(',');
                        } else {

            if (pos == current) {
                newClientMap.put(Pattern.compile(regex), client);
                added = true;
            }
            newClientMap.put(entry.getKey(), entry.getValue());
            current++;
        }
        if (!added) {
            newClientMap.put(Pattern.compile(regex), client);
        }
        clientMap = newClientMap;
    }

    /**

                (et, vl) -> ((CrawlingInfoParam) et).setCreatedTime(DfTypeUtil.toLong(vl)), "createdTime");
        setupEpg(_epgMap, et -> ((CrawlingInfoParam) et).getKey(), (et, vl) -> ((CrawlingInfoParam) et).setKey(DfTypeUtil.toString(vl)),
                "key");
        setupEpg(_epgMap, et -> ((CrawlingInfoParam) et).getValue(), (et, vl) -> ((CrawlingInfoParam) et).setValue(DfTypeUtil.toString(vl)),

                    Map<String, String> map = CompactHashMap.create();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return map;
                  }
                })
            .named("CompactHashMap")
            .withFeatures(
                CollectionSize.ANY,

            }).forEach(e -> {
                if (logger.isDebugEnabled()) {
                    logger.debug("system.properties: setProperty({}, {})", e.getKey(), e.getValue());
                }
                System.setProperty(e.getKey(), e.getValue());
            });
        }
    }

    /**
     * Updates the application configuration.
     *

            if (fieldConfigs.getConfig(e.getKey()).map(FieldConfigs.Config::isOverwrite).orElse(false)
                    && e.getValue() instanceof final Object[] values && values.length > 0) {
                newDataMap.put(e.getKey(), values[values.length - 1]);
            } else {
                newDataMap.put(e.getKey(), e.getValue());
            }
        }
        return newDataMap;
    }

                parser.setFeature(entry.getKey(), "true".equalsIgnoreCase(entry.getValue()));
            }

            // property
            for (final Map.Entry<String, String> entry : propertyMap.entrySet()) {
                parser.setProperty(entry.getKey(), entry.getValue());
            }
        } catch (final Exception e) {

            for (Entry<Range<Integer>, Integer> entry : rangeMap.asMapOfRanges().entrySet()) {
              if (entry.getKey().isConnected(subRange)
                  && !entry.getKey().intersection(subRange).isEmpty()) {
                expectedBuilder.put(entry.getKey().intersection(subRange), entry.getValue());
              }
            }