final StringBuilder queryBuf = new StringBuilder(100);
            final StringBuilder formBuf = new StringBuilder(100);
            for (final Map.Entry<String, String> entry : paramMap.entrySet()) {
                queryBuf.append('&');
                queryBuf.append(URLUtil.encode(entry.getValue(), Constants.UTF_8));
                queryBuf.append('=');

    Map<@Nullable String, @Nullable String> mapWithNulls = new LinkedHashMap<>();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");
    Set<Entry<String, String>> entriesWithNulls = mapWithNulls.entrySet();

    assertThrows(NullPointerException.class, () -> j.join(entriesWithNulls));

    assertThrows(NullPointerException.class, () -> j.join(entriesWithNulls.iterator()));

        final Document document = parser.getDocument();

        final StringBuilder buf = new StringBuilder(1000);
        buf.append(getResultDataHeader());
        for (final Map.Entry<String, String> entry : fieldRuleMap.entrySet()) {
            final String path = entry.getValue();
            try {
                final XPathEvaluationResult<?> xObj = getXPathAPI().eval(document, path);
                switch (xObj.type()) {

        fesenClient.addOnConnectListener(() -> createMapping("queue"));
    }

    /**
     * Destroys the service.
     */
    @PreDestroy
    public void destroy() {
        sessionCache.entrySet().stream().map(e -> e.getValue().waitingQueue).forEach(q -> q.forEach(urlQueue -> {
            try {
                insert(urlQueue);
            } catch (final Exception e) {

  }

  // Would use Maps.immutableEntry
  public static <K extends @Nullable Object, V extends @Nullable Object> Entry<K, V> mapEntry(
      K key, V value) {
    return singletonMap(key, value).entrySet().iterator().next();
  }

  private static boolean isEmpty(Iterable<?> iterable) {
    return iterable instanceof Collection
        ? ((Collection<?>) iterable).isEmpty()
        : !iterable.iterator().hasNext();

 * entries may be counted by {@link Map#size}, but will never be visible to read or write
 * operations. A partially-reclaimed entry is never exposed to the user. Any {@link Map.Entry}
 * instance retrieved from the map's {@linkplain Map#entrySet entry set} is a snapshot of that
 * entry's state at the time of retrieval; such entries do, however, support {@link
 * Map.Entry#setValue}, which simply calls {@link Map#put} on the entry's key.
 *

    fakeTicker.advance(500, MILLISECONDS);
    cache.put(20, 22);
    cache.put(5, 10);

    fakeTicker.advance(501, MILLISECONDS);

    int sum = 0;
    for (Entry<Integer, Integer> current : cache.asMap().entrySet()) {
      sum += current.getKey() + current.getValue();
    }
    assertEquals(57, sum);
  }

  public void testAsMapValues_iteratorRemove() {
    Cache<Integer, Integer> cache =

            urlBuf.append('?').append(queryStr);
        }

        final Map<String, List<String>> params = new HashMap<>();
        for (final Map.Entry<String, String[]> e : request.getParameterMap().entrySet()) {
            if (e.getValue().length > 0) {
                params.put(e.getKey(), Arrays.asList(e.getValue()));
            }
        }
        if (logger.isDebugEnabled()) {

            buf.append('[').append(json).append(']');
        } else if (value instanceof Map) {
            buf.append('{');
            final String json = ((Map<?, ?>) value).entrySet().stream().map(e -> {
                final StringBuilder tempBuf = new StringBuilder();
                appendJson(e.getKey().toString(), e.getValue(), tempBuf);
                return tempBuf.toString();

      LinkedHashMap<K, Collection<V>> orderedMap = new LinkedHashMap<>();
      for (Entry<K, V> entry : ordered) {
        orderedMap.put(entry.getKey(), map.get(entry.getKey()));
      }
      return orderedMap.entrySet();
    }

    @Override
    public K[] createKeyArray(int length) {
      return ((TestMultimapGenerator<K, V, M>) multimapGenerator.getInnerGenerator())
          .createKeyArray(length);
    }