}

    @Test
    public void test_constants_coverage() {
        // Test coverage for private constants indirectly
        // The DISABLE_URL_ENCODE constant is used in URL processing
        assertTrue(true);
    }

    @Test
    public void test_getAvailableBoostDocumentRuleList_emptyResult() {
        // Mock FessConfig with minimal settings

        User user = createTestUser("testuser");
        try {
            authenticationManager.insert(user);
            fail("Should throw NullPointerException when processing null chain");
        } catch (NullPointerException e) {
            // Expected behavior when null chain is processed
            assertTrue(true);
        }
    }

    // Test chains order preservation

   * exception is thrown, this exception is used as the result of the output {@code Future}.
   *
   * <p>Usage example:
   *
   * {@snippet :
   * // Falling back to a zero counter in case an exception happens when processing the RPC to fetch
   * // counters.
   * ListenableFuture<Integer> faultTolerantFuture =
   *     fetchCounters().catching(FetchException.class, x -> 0, directExecutor());
   * }
   *

 * This class provides functionality to load, parse, and manage character mapping
 * rules that define how input characters should be transformed to output characters
 * during text analysis and search processing.
 *
 * Character mapping files contain mapping rules in the format:
 * input1,input2,... => output
 */
public class CharMappingFile extends DictionaryFile<CharMappingItem> {
    /** Logger instance for this class. */

    assertThat(CharMatcher.none().or(WHATEVER)).isSameInstanceAs(WHATEVER);
  }

  // The rest of the behavior of ANY and DEFAULT will be covered in the tests for
  // the text processing methods below.

  public void testWhitespaceBreakingWhitespaceSubset() throws Exception {
    for (int c = 0; c <= Character.MAX_VALUE; c++) {
      if (breakingWhitespace().matches((char) c)) {

     * The current position in the buffer.
     */
    public int index;

    /**
     * The length of data in the buffer.
     */
    public int length;

    /**
     * Buffer for deferred data processing.
     */
    public NdrBuffer deferred;

    /**
     * Constructs an NdrBuffer with the specified byte array and starting position.
     *
     * @param buf the byte array to use as the buffer

    }

    /**
     * Checks if the given URL is a file path protocol that requires directory and permission handling.
     * Used for incremental crawling directory detection and file permission processing.
     *
     * @param url the URL to check
     * @return true if the URL uses a file path protocol (smb, smb1, file, ftp, s3, gcs)
     */
    public boolean isFilePathProtocol(final String url) {

    /** The system cannot find the device specified */
    int NT_STATUS_NO_SUCH_DEVICE = 0xC000000e;
    /** The system cannot find the file specified */
    int NT_STATUS_NO_SUCH_FILE = 0xC000000f;
    /** More processing is required to complete this request */
    int NT_STATUS_MORE_PROCESSING_REQUIRED = 0xC0000016;
    /** Access is denied */
    int NT_STATUS_ACCESS_DENIED = 0xC0000022;

    /** The system cannot find the file specified */
    int NT_STATUS_NO_SUCH_FILE = 0xC000000f;
    /** End of file reached */
    int NT_STATUS_END_OF_FILE = 0xC0000011;
    /** More processing is required to complete this request */
    int NT_STATUS_MORE_PROCESSING_REQUIRED = 0xC0000016;
    /** Access is denied */
    int NT_STATUS_ACCESS_DENIED = 0xC0000022;

 * <h3>Format Preservation</h3>
 * <ul>
 *   <li><strong>Whitespace Preservation</strong>: Maintains original formatting when removing elements</li>
 *   <li><strong>Comment Preservation</strong>: Preserves XML comments and processing instructions</li>
 *   <li><strong>Line Separator Handling</strong>: Uses system-appropriate line separators</li>
 * </ul>
 */
public abstract class AbstractUpgradeGoal implements Goal {