* expect a newly-started thread to call [Runnable.run]. We shouldn't request new threads until
   * the already-requested ones are in service, otherwise we might create more threads than we need.
   *
   * We use [executeCallCount] and [runCallCount] to defend against starting more threads than we
   * need. Both fields are guarded by `this`.
   */

     *
     * Note: We don't reset the interrupted bit, just wait for it to be set. If this is a thread
     * pool thread, the thread pool will reset it for us. Otherwise, the interrupted bit may have
     * been intended for something else, so don't clear it.
     */
    boolean restoreInterruptedBit = false;
    int spinCount = 0;
    // Interrupting Cow Says:
    //  ______

 * `server_max_window_bits`. This harms our ability to support these parameters:
 *
 *  * If `client_max_window_bits` is less than 15, OkHttp must close the web socket with code 1010.
 *    Otherwise it would compress values in a way that servers could not decompress.
 *  * If `server_max_window_bits` is less than 15, OkHttp will waste memory on an oversized buffer.
 *

     * @param id the document ID to update
     * @param field the field name to update
     * @param value the new value for the field
     * @return true if the update was successful, false otherwise
     */
    public boolean updateDocument(final SearchEngineClient searchEngineClient, final String id, final String field, final Object value) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

  /**
   * Returns the value of the given byte as an integer, when treated as unsigned. That is, returns
   * {@code value + 256} if {@code value} is negative; {@code value} itself otherwise.
   *
   * <p>Prefer {@link Byte#toUnsignedInt(byte)} instead.
   *
   * @since 6.0
   */
  @InlineMe(replacement = "Byte.toUnsignedInt(value)")
  public static int toInt(byte value) {

      return index < enumConstants.length && enumConstants[index] == e;
    }
    return false;
  }

  /**
   * Returns {@code element} cast to {@code E}, if it actually is a nonnull E. Otherwise, throws
   * either a NullPointerException or a ClassCastException as appropriate.
   */
  private void checkIsE(Object element) {
    checkNotNull(element);
    if (!isActuallyE(element)) {

 * instances.
 *
 * <p><b>Warning:</b> The comparators or comparables used must be <i>consistent with equals</i> as
 * explained by the {@link Comparable} class specification. Otherwise, the resulting multiset will
 * violate the general contract of {@link SetMultimap}, which is specified in terms of {@link
 * Object#equals}.
 *

    /**
     * Checks if the specified field is a search field.
     * Uses O(1) Set lookup for improved performance.
     * @param field The field name to check.
     * @return True if the field is a search field, false otherwise.
     */
    protected boolean isSearchField(final String field) {
        final QueryFieldConfig config = getQueryFieldConfig();
        return config.searchFieldSet != null && config.searchFieldSet.contains(field);

 * well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise
 * arrange). The rules for creating such tests are:
 *
 * <ol>
 *   <li>All assertions in code running in generated threads must use the forms {@link

          negativeToMaxValue(loadExceptionCount.sum()),
          negativeToMaxValue(totalLoadTime.sum()),
          negativeToMaxValue(evictionCount.sum()));
    }

    /** Returns {@code value}, if non-negative. Otherwise, returns {@link Long#MAX_VALUE}. */
    private static long negativeToMaxValue(long value) {
      return (value >= 0) ? value : Long.MAX_VALUE;
    }

    /** Increments all counters by the values in {@code other}. */