private String encodeUrl(final String url) {
        try {
            return URLEncoder.encode(url, Constants.UTF_8);
        } catch (final UnsupportedEncodingException e) {
            throw new FessSystemException("Unsupported encoding.", e);
        }
    }

    public void test_decodeUrl_ok() throws Exception {
        String url, exp;
        final FessFileTransformer transformer = createInstance();

        url = "";

  }

  /**
   * {@inheritDoc}
   *
   * <p>This implementation is guaranteed to throw an {@link UnsupportedOperationException}.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final @Nullable Entry<E> pollFirstEntry() {

    if (usingVarHandle != null) {
      return usingVarHandle;
    }

    try {
      /*
       * UnsafeByteArray uses Unsafe.getLong() in an unsupported way, which is known to cause
       * crashes on Android when running in 32-bit mode. For maximum safety, we shouldn't use
       * Unsafe.getLong() at all, but the performance benefit on x86_64 is too great to ignore, so

        enterSatisfyGuardAndLeaveInCurrentThread();
        Thread.currentThread().interrupt();
        break;
      default:
        throw new AssertionError("unsupported scenario: " + scenario);
    }
  }

  private void runWaitTest() {
    assertFalse(Thread.currentThread().isInterrupted());
    assertFalse(monitor.isOccupiedByCurrentThread());
    monitor.enter();

Once the response has been received, the connection will be returned to the pool so it can be reused for a future request. Connections are evicted from the pool after a period of inactivity.

    }

    // SMB1 path: without CAP_NT_SMBS it should throw SmbUnsupportedOperationException
    @Test
    @DisplayName("watch() SMB1 without capability throws unsupported")
    void watch_smb1_noCapability_throwsUnsupported() throws Exception {
        when(handle.isValid()).thenReturn(true);
        when(handle.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(false);

        case KerberosConstants.DES_ENC_TYPE -> decryptDES(data, key, cipher);
        case KerberosConstants.RC4_ENC_TYPE -> decryptRC4(data, key);
        default -> throw new GeneralSecurityException("Unsupported encryption type " + type);
        };
        return decrypt;
    }

    /**
     * @param data
     * @param key
     * @return
     * @throws GeneralSecurityException

                    throw new SmbException("Server does advertise any supported mechanism");
                }
            }
        } else if (spToken instanceof final NegTokenTarg targ) {
            if (this.firstResponse) {
                if (!this.mechContext.isSupported(targ.getMechanism())) {
                    throw new SmbException("Server chose an unsupported mechanism " + targ.getMechanism());
                }

    return invertedMultimap;
  }

  /**
   * Guaranteed to throw an exception and leave the multimap unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final ImmutableList<V> removeAll(@Nullable Object key) {

    return (T) delegate.get(checkNotNull(type));
  }

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public <T extends B> @Nullable T putInstance(Class<T> type, T value) {