}

    @SuppressWarnings("deprecation")
    public static String getSearchEngineHttpAddress() {
        final String value = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        if (value != null) {
            return value;
        }
        return System.getProperty(Constants.FESS_ES_HTTP_ADDRESS);
    }

    Builder<String, Integer> builder = new Builder<>();
    assertThrows(
        NullPointerException.class, () -> builder.put(immutableEntry("one", (Integer) null)));
    assertThrows(NullPointerException.class, () -> builder.put(immutableEntry((String) null, 1)));
  }

  public void testBuilderWithExpectedKeysNegative() {
    assertThrows(

    return Sets.newHashSetWithExpectedSize(expectedSize);
  }

  static <E> Set<E> newConcurrentHashSet() {
    // GWT's ConcurrentHashMap is a wrapper around HashMap, but it rejects null keys, which matches
    // the behaviour of the non-GWT implementation of newConcurrentHashSet().
    // On the other hand HashSet might be better for code size if apps aren't

    assertEquals("foo%7Cbar", e.escape("foo%7Cbar")); // idempotent
  }

  /** Test that giving a null 'safeChars' string causes a {@link NullPointerException}. */
  public void testBadArguments_null() {
    assertThrows(NullPointerException.class, () -> new PercentEscaper(null, false));
  }

  /**
   * Tests that specifying any alphanumeric characters as 'safe' causes an {@link

  static <T extends Throwable> T assertThrows(
      Class<T> expectedThrowable, ThrowingRunnable runnable) {
    return doAssertThrows(
        expectedThrowable,
        () -> {
          runnable.run();
          return null;
        },
        /* userPassedSupplier= */ false);
  }

  private static <T extends Throwable> T doAssertThrows(
      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {

  public abstract void clear();

  // Views

  @LazyInit @CheckForNull private transient Set<E> elementSet;

  @Override
  public Set<E> elementSet() {
    Set<E> result = elementSet;
    if (result == null) {
      elementSet = result = createElementSet();
    }
    return result;
  }

  /**
   * Creates a new instance of this multiset's element set, which will be returned by {@link
   * #elementSet()}.

    protected abstract Pattern getTagPattern();

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            final BufferedInputStream bis = new BufferedInputStream(in);
            final String enc = getEncoding(bis);

        validateApi(body, messages -> {});
        final Artifact artifact = ComponentUtil.getPluginHelper().getArtifact(body.name, body.version);
        if (artifact == null) {
            return asJson(
                    new ApiResult.ApiErrorResponse().message("invalid name or version").status(ApiResult.Status.BAD_REQUEST).result());
        }
        installArtifact(artifact);

    /**
     * @param handle
     * @param th
     * @throws SmbException
     */
    SmbPipeInputStream ( SmbPipeHandleImpl handle, SmbTreeHandleImpl th ) throws CIFSException {
        super(handle.getPipe(), th, null);
        this.handle = handle;
    }


    protected synchronized SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        return this.handle.ensureTreeConnected();
    }


    @Override

                                            "maxLength": 50,
                                            "pattern": "^fixedquery$",
                                        },
                                        {"type": "null"},
                                    ],
                                    "title": "Query string",