}

    private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * Base-64 encodes the supplied block of data.  Line wrapping is not
     * applied on output.
     *
     * @param bytes The block of data that is to be Base-64 encoded.
     * @return A <code>String</code> containing the encoded data.
     */

5. If the PR is unfinished, see how to mark it: https://git.k8s.io/community/contributors/guide/pull-requests.md#marking-unfinished-pull-requests
-->

#### What type of PR is this?

<!--
Add one of the following kinds:
/kind bug
/kind cleanup
/kind documentation
/kind feature

    extends SetMultimap<K, V> {
  // Following Javadoc copied from Multimap.

  /**
   * Returns a collection view of all values associated with a key. If no mappings in the multimap
   * have the provided key, an empty collection is returned.
   *
   * <p>Changes to the returned collection will update the underlying multimap, and vice versa.
   *

 * It extends {@link org.codelibs.fess.crawler.exception.CrawlerSystemException} and provides constructors
 * to handle different scenarios such as wrapping another exception or providing a specific error message.
 */
public class ExtractException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**

    extends SetMultimap<K, V> {
  // Following Javadoc copied from Multimap.

  /**
   * Returns a collection view of all values associated with a key. If no mappings in the multimap
   * have the provided key, an empty collection is returned.
   *
   * <p>Changes to the returned collection will update the underlying multimap, and vice versa.
   *

/**
 * An abstract {@code ScheduledExecutorService} that allows subclasses to {@linkplain
 * #wrapTask(Callable) wrap} tasks before they are submitted to the underlying executor.
 *
 * <p>Note that task wrapping may occur even if the task is never executed.
 *
 * @author Luke Sandberg
 */
@J2ktIncompatible
@GwtIncompatible
abstract class WrappingScheduledExecutorService extends WrappingExecutorService

        }

        verify(autoCloseTree).close();
    }

    /**
     * Test for unwrap with nested wrapping.
     * Verifies that unwrap works correctly with multiple levels of wrapping.
     */
    @Test
    void testUnwrap_nestedWrapping() {
        // Create a chain of wrapped trees
        CustomSmbTree innerTree = mock(CustomSmbTree.class);

        }
        return address.getHostAddress();
    }

    /**
     * Builds a URL from protocol, InetAddress, port, and path.
     * Properly handles IPv6 addresses by wrapping them in brackets.
     *
     * @param protocol the protocol (e.g., "http", "https")
     * @param address the InetAddress for the host
     * @param port the port number

 * Improvements and fixes in Keras loss masking:
    * Whether you represent a ragged tensor as a `tf.RaggedTensor` or using [keras masking](https://www.tensorflow.org/guide/keras/masking_and_padding), the returned loss values should be the identical to each other. In previous versions Keras may have silently ignored the mask.

     * @param <T>
     */
    private interface KeyComputer<T> {
        Object key(T t);
    }

    /**
     * Remapping function
     * @param <T>
     */
    private interface Remapping<T> {
        T merge(T u, T v);
    }

    /**
     * KeyComputer for Dependency
     */