@SuppressWarnings("unchecked") // we'll only be using getKey and getValue, which are covariant
    Entry<K, V>[] entryArray = (Entry<K, V>[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);
    switch (entryArray.length) {
      case 0:
        return of();
      case 1:
        Entry<K, V> entry = entryArray[0];
        return of(entry.getKey(), entry.getValue());
      default:
        /*

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

    /**
     * Updates the application configuration.
     *

                        return new Entry<String, String>() {
                            @Override
                            public String getKey() {
                                return entry.getKey();
                            }

                            @Override
                            public String getValue() {
                                return entry.getValue();

                        return new Entry<String, String>() {
                            @Override
                            public String getKey() {
                                return entry.getKey();
                            }

                            @Override
                            public String getValue() {
                                return entry.getValue();

                requireNonNull(e2);
                return comparator.compare(e1.getKey(), e2.getKey());
              });
          // requireNonNull is safe because the first `size` elements have been filled in.
          Entry<K, V> firstEntry = requireNonNull(entryArray[0]);
          K prevKey = firstEntry.getKey();
          keys[0] = prevKey;
          values[0] = firstEntry.getValue();

      if (delegate != null) {
        return delegate.entrySet().contains(o);
      } else if (o instanceof Entry) {
        Entry<?, ?> entry = (Entry<?, ?>) o;
        int index = indexOf(entry.getKey());
        return index != -1 && Objects.equals(value(index), entry.getValue());
      }
      return false;
    }

    @Override
    public boolean remove(@Nullable Object o) {

      if (delegate != null) {
        return delegate.entrySet().contains(o);
      } else if (o instanceof Entry) {
        Entry<?, ?> entry = (Entry<?, ?>) o;
        int index = indexOf(entry.getKey());
        return index != -1 && Objects.equals(value(index), entry.getValue());
      }
      return false;
    }

    @Override
    public boolean remove(@Nullable Object o) {

                    continue;
                }
                counter++;
                final Map<String, Object> localDataMap =
                        dataMap.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
                if (deleteUrlList.contains(crawlRequest.getUrl())) {
                    deleteDocuments(); // delete before indexing
                }
                try {

                    if (fields != null) {
                        docMap.putAll(fields.entrySet()
                                .stream()
                                .collect(Collectors.toMap(Entry::getKey, e -> (Object) e.getValue().getValues())));
                    }

                    final ViewHelper viewHelper = ComponentUtil.getViewHelper();
                    if (viewHelper != null && !docMap.isEmpty()) {

    newFirst = segment.removeEntryFromChain(entryThree, entryOne);
    assertThat(newFirst.getKey()).isSameInstanceAs(keyTwo);
    assertThat(newFirst.getValueReference().get()).isSameInstanceAs(valueTwo);
    assertThat(newFirst.getHash()).isEqualTo(hashTwo);
    newFirst = newFirst.getNext();
    assertThat(newFirst.getKey()).isSameInstanceAs(keyThree);
    assertThat(newFirst.getValueReference().get()).isSameInstanceAs(valueThree);