List<Plugin> pre = predecessors.get(entry.getKey());
                    if (pre != null) {
                        result.addAll(pre);
                    }
                    result.add(entry.getValue());
                }
                result.addAll(pending);

                builder.plugins(result);
            }
        }

        @Override
        protected void mergePlugin_Executions(

    // If it's an Entry, it may become invalid once it's removed from the Map. Copy it.
    if (element instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) element;
      element = mapEntry(entry.getKey(), entry.getValue());
    }
    assertTrue(collection.contains(element)); // sanity check
    iterator.remove();
    assertFalse(collection.contains(element));
    assertEquals(originalSize - 1, collection.size());
  }

    public Tuple3<String, String, String> createTask(final String path, final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String thumbnailId = DocumentUtil.getValue(docMap, fessConfig.getIndexFieldId(), String.class);
        final Tuple3<String, String, String> task = new Tuple3<>(getName(), thumbnailId, path);
        if (logger.isDebugEnabled()) {

                    ListMultimap<String, String> multimap = ArrayListMultimap.create();
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }
                    return multimap;
                  }
                })
            .named("ArrayListMultimap")
            .withFeatures(
                MapFeature.ALLOWS_NULL_KEYS,

        if (cookies != null) {
            for (final Cookie cookie : cookies) {
                if (cookieKey.equals(cookie.getName())) {
                    final String value = cookie.getValue();
                    if (logger.isDebugEnabled()) {
                        logger.debug("{}:{}", cookieKey, value);
                    }
                    if (StringUtil.isNotEmpty(value)) {

              if (entry.getKey().isConnected(subRange)
                  && !entry.getKey().intersection(subRange).isEmpty()) {
                expectedBuilder.put(entry.getKey().intersection(subRange), entry.getValue());
              }
            }

            ImmutableRangeMap<Integer, Integer> expected = expectedBuilder.build();
            assertEquals(expected, rangeMap.subRangeMap(subRange));
          }
        }

        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)),
                "value");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

        new AbstractMapEntry<String, Integer>() {
          @Override
          public String getKey() {
            return holder.string;
          }

          @Override
          public Integer getValue() {
            return 1;
          }
        };

    builder.put(entry);
    holder.string = "two";
    assertEquals(asList(1), builder.build().get("one"));
  }

    // If it's an Entry, it may become invalid once it's removed from the Map. Copy it.
    if (element instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) element;
      element = mapEntry(entry.getKey(), entry.getValue());
    }
    assertTrue(collection.contains(element)); // sanity check
    iterator.remove();
    assertFalse(collection.contains(element));
    assertEquals(originalSize - 1, collection.size());
  }

        if (!matchedLabelSet.isEmpty()) {
            final Set<String> newLabelSet = new HashSet<>();
            final String[] oldLabels = DocumentUtil.getValue(dataMap, fessConfig.getIndexFieldLabel(), String[].class);
            StreamUtil.stream(oldLabels).of(stream -> stream.forEach(newLabelSet::add));
            matchedLabelSet.stream().forEach(newLabelSet::add);