try {
                        Class<?> handlerClass = null;
                        try {
                            handlerClass = Class.forName(className);
                        } catch (final Exception ex) {
                            log.debug("Failed to load handler class " + className, ex);
                        }
                        if (handlerClass == null) {

                return listFilesWithDirectoryLeasing(smbFile, dirManager);
            } else {
                // Fall back to regular directory listing
                return smbFile.listFiles();
            }
        } catch (CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    /**
     * Enhanced exists method that uses directory leasing for parent directory caching
     *

          if (otherElement == null || unsafeCompare(element, otherElement) != 0) {
            return false;
          }
        }
        return true;
      } catch (ClassCastException e) {
        return false;
      } catch (NoSuchElementException e) {
        return false; // concurrent change to other set
      }
    }
    return containsAll(that);
  }

  @Override
  public E first() {

            suggestHelper.addElevateWord(entity.getSuggestWord(), entity.getReading(), entity.getLabelTypeValues(), entity.getPermissions(),
                    entity.getBoost(), false);
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

      cancel(false);
      return;
    } catch (ExecutionException e) {
      // Set the cause of the exception as this future's exception.
      setException(e.getCause());
      return;
    } catch (Exception e) { // sneaky checked exception
      // Bug in inputFuture.get(). Propagate to the output Future so that its consumers don't hang.
      setException(e);
      return;
    } catch (Error e) {
      /*

            assertTrue(true);
        } catch (IllegalArgumentException e) {
            fail();
        }

        try {
            settings.badword().add("");
            fail();
        } catch (IllegalArgumentException e) {
            assertTrue(true);
        }

        try {
            settings.badword().add("aaaa bbb");
            fail();
        } catch (IllegalArgumentException e) {

  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testRemove_nullKeyQueriesUnsupported() {
    try {
      assertFalse(getMap().remove(null, v3()));
    } catch (NullPointerException tolerated) {
      // since the operation would be a no-op, the exception is not required
    }
    expectUnchanged();
  }

  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testRemove_nullKeyQueriesUnsupported() {
    try {
      assertFalse(getMap().remove(null, v3()));
    } catch (NullPointerException tolerated) {
      // since the operation would be a no-op, the exception is not required
    }
    expectUnchanged();
  }

            lhaExtractor.getText(in, null);
            fail();
        } catch (MaxLengthExceededException e) {
            // pass
        }
        lhaExtractor.setMaxContentSize(-1);
    }

    public void test_getText_null() {
        try {
            lhaExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

     */
    public static MessageDigest getInstance(final String algorithm) {
        assertArgumentNotEmpty("algorithm", algorithm);

        try {
            return MessageDigest.getInstance(algorithm);
        } catch (final NoSuchAlgorithmException e) {
            throw new NoSuchAlgorithmRuntimeException(e);
        }
    }

    /**
     * Hashes the specified text using the given algorithm and converts it to a string.
     *