/**
     * Do not instantiate.
     */
    protected JarFileUtil() {
    }

    private static final Logger logger = Logger.getLogger(JarFileUtil.class);

    /**
     * Creates and returns a <code>JarFile</code> to read the specified JAR file.
     *
     * @param file the file path (must not be {@literal null})
     * @return a <code>JarFile</code> to read the specified JAR file
     */

          return 0;
        }
      };

  // We use a holder class to delay initialization: https://github.com/google/guava/issues/6566
  private static final class LoggerHolder {
    static final Logger logger = Logger.getLogger(CacheBuilder.class.getName());
  }

  static final int UNSET_INT = -1;

  boolean strictParsing = true;

  int initialCapacity = UNSET_INT;
  int concurrencyLevel = UNSET_INT;

  fun connectionPreface() {
    withLock {
      if (closed) throw IOException("closed")
      if (!client) return // Nothing to write; servers don't send connection headers!
      if (logger.isLoggable(FINE)) {
        logger.fine(format(">> CONNECTION ${CONNECTION_PREFACE.hex()}"))
      }
      sink.write(CONNECTION_PREFACE)
      sink.flush()
    }
  }

  /** Applies `peerSettings` and then sends a settings ACK. */

 *   <li>Old document deletion after successful crawling</li>
 *   <li>Crawling execution monitoring and timing</li>
 * </ul>
 */
public class DataIndexHelper {

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(DataIndexHelper.class);

    /** Parameter key for controlling deletion of old documents */
    private static final String DELETE_OLD_DOCS = "delete_old_docs";

 *
 * <pre>
 *   TestLogHandler handler;
 *
 *   protected void setUp() throws Exception {
 *     super.setUp();
 *     handler = new TestLogHandler();
 *     SomeClass.logger.addHandler(handler);
 *     addTearDown(new TearDown() {
 *       public void tearDown() throws Exception {
 *         SomeClass.logger.removeHandler(handler);
 *       }

 * Groups define user permissions and access controls for search and administrative functions.
 */
public class ApiAdminGroupAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminGroupAction.class);

    // ===================================================================================

   * they were registered.
   *
   * <p>RuntimeExceptions thrown by a listener will be caught and logged. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException}) will be caught and
   * logged.
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See

   * they were registered.
   *
   * <p>RuntimeExceptions thrown by a listener will be caught and logged. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException}) will be caught and
   * logged.
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See

    private static final Logger logger = Logger.getLogger(ResultSetUtil.class);

    /**
     * Do not instantiate.
     */
    protected ResultSetUtil() {
    }

    /**
     * Closes the result set.
     * <p>
     * If {@link ResultSet#close()} throws an exception, an error message is logged. The exception is not rethrown.
     * </p>
     *
     * @param resultSet
     *            The result set

    `Dispatcher.getRunningCallCount()`. These can be useful in diagnostics.
 *  Fix: OkHttp no longer shares timeouts between pooled connections. This was
    causing some applications to crash when connections were reused.
 *  Fix: `OkApacheClient` now allows an empty `PUT` and `POST`.
 *  Fix: Websockets no longer rebuffer socket streams.
 *  Fix: Websockets are now better at handling close frames.