/**
     * Retrieves the HTTP method used for the URL in the queue.
     *
     * @return the HTTP method as a String.
     */
    String getMethod();

    /**
     * Sets the HTTP method for the URL queue.
     *
     * @param method the HTTP method to be set (e.g., GET, POST, etc.)
     */
    void setMethod(String method);

    /**
     * Retrieves the URL from the queue.
     *

                    }));
  }

  /**
   * Returns the {@link Method} instance for {@link #testMergeNullValue()} so that tests of {@link
   * Hashtable} can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()}.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getMergeNullValueMethod() {
    return getMethod(MapMergeTester.class, "testMergeNullValue");
  }

   * the discussion in the {@link #addListener} documentation. All its warnings about heavyweight
   * listeners are also applicable to heavyweight functions passed to this method.
   *
   * <p>This method is similar to {@link java.util.concurrent.CompletableFuture#exceptionally}. It
   * can also serve some of the use cases of {@link java.util.concurrent.CompletableFuture#handle}

     * called, in which case entries are sorted by value.
     *
     * <p>Prefer the equivalent method {@link #buildOrThrow()} to make it explicit that the method
     * will throw an exception if there are duplicate keys. The {@code build()} method will soon be
     * deprecated.
     *
     * @throws IllegalArgumentException if duplicate keys were added
     */

 * comparators for the row keys and the column keys, or you may use natural ordering for both.
 *
 * <p>The {@link #rowKeySet} method returns a {@link SortedSet} and the {@link #rowMap} method
 * returns a {@link SortedMap}, instead of the {@link Set} and {@link Map} specified by the {@link
 * Table} interface.
 *

     */
    @Resource
    protected FessConfig fessConfig;

    /**
     * Retrieves a paginated list of character mapping items from the specified dictionary.
     * <p>
     * This method fetches character mapping items with pagination support and updates
     * the pager with the current page information including total count and page ranges.
     * </p>
     *

     * The given path matcher should be an instance created by this service.
     * The path matcher returned by this method expects directory paths.
     * If that matcher returns {@code false}, then the directory will definitively not contain
     * the paths selected by the matcher given in argument to this method.
     * In such case, the whole directory and all its sub-directories can be skipped.

  protected AbstractService() {}

  /**
   * This method is called by {@link #startAsync} to initiate service startup. The invocation of
   * this method should cause a call to {@link #notifyStarted()}, either during this method's run,
   * or after it has returned. If startup fails, the invocation should cause a call to {@link
   * #notifyFailed(Throwable)} instead.
   *

     * @return The {@link Method} object matching the specified {@code name} and {@code argTypes}.
     * @throws EmptyArgumentException
     *             If the method name is {@literal null} or empty.
     * @throws NoSuchMethodRuntimeException
     *             If a matching method cannot be found.
     * @see Class#getMethod(String, Class...)
     */

   * the default implementation of this method will ensure that the original {@code ByteSource} is
   * returned, rather than round-trip encoding. Subclasses that override this method should behave
   * the same way.
   */
  public CharSource asCharSource(Charset charset) {
    return new AsCharSource(charset);
  }

  /**
   * Opens a new {@link InputStream} for reading from this source. This method returns a new,