.collect(Collectors.groupingBy(Function.identity(), Collectors.counting()))
                .entrySet()
                .stream()
                .filter(p -> p.getValue() > 1)
                .map(Map.Entry::getKey)
                .collect(Collectors.toSet());

        // schedule independent projects (ordered by critical path priority)
        for (MavenProject mavenProject : analyzer.getRootSchedulableBuilds()) {

            // Phase 3: Add plugin management to the last local parent in hierarchy
            for (Map.Entry<Path, Document> entry : pomMap.entrySet()) {
                Path pomPath = entry.getKey();
                Document pomDocument = entry.getValue();
                processedPoms.add(pomPath);

                context.info(pomPath + " (checking for plugin upgrades)");
                context.indent();

  public void testPut_nullValueSupported() {
    Entry<K, V> nullValueEntry = entry(k3(), null);
    assertNull(
        "putIfAbsent(key, null) should return null",
        getMap().putIfAbsent(nullValueEntry.getKey(), nullValueEntry.getValue()));
    expectAdded(nullValueEntry);
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)

    assertNull("put(null, null) should return null", put(nullKeyValueEntry));
    expectAdded(nullKeyValueEntry);
  }

  @CanIgnoreReturnValue
  private V put(Entry<K, V> entry) {
    return getMap().put(entry.getKey(), entry.getValue());
  }

  /**
   * Returns the {@link Method} instance for {@link #testPut_nullKeyUnsupported()} so that tests of
   * {@link java.util.TreeMap} can suppress it with {@code

                                                                logger.debug("Skipping interpolation of field: " + field
                                                                        + " (key: " + entry.getKey() + ") in: "
                                                                        + cls.getName()
                                                                        + "; it is an unmodifiable collection.");

            if (phaseToGoalMapping != null) {
                for (Map.Entry<String, LifecyclePhase> goalsForLifecyclePhase : phaseToGoalMapping.entrySet()) {
                    String phase = goalsForLifecyclePhase.getKey();
                    LifecyclePhase goals = goalsForLifecyclePhase.getValue();
                    if (goals != null) {
                        parseLifecyclePhaseDefinitions(plugins, phase, goals);
                    }

    super(expectedSize, loadFactor);
  }

  ObjectCountLinkedHashMap(ObjectCountHashMap<K> map) {
    init(map.size(), DEFAULT_LOAD_FACTOR);
    for (int i = map.firstIndex(); i != -1; i = map.nextIndex(i)) {
      put(map.getKey(i), map.getValue(i));
    }
  }

  @Override
  void init(int expectedSize, float loadFactor) {
    super.init(expectedSize, loadFactor);
    firstEntry = ENDPOINT;
    lastEntry = ENDPOINT;

            throw new UncheckedExecutionException(e);
          }
        });

    CacheTesting.checkEmpty(cache);
    for (RemovalNotification<String, String> entry : notifications) {
      assertThat(entry.getKey()).isNotNull();
      assertThat(entry.getValue()).isNotNull();
    }
  }

  public void testComputeExceptionally() {
    assertThrows(
        RuntimeException.class,
        () ->

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                return singletonMap(entries[0].getKey(), entries[0].getValue());
              }
            })
        .named("singletonMap")
        .withFeatures(
            MapFeature.ALLOWS_NULL_KEYS,
            MapFeature.ALLOWS_NULL_VALUES,

                (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)),