try {
            server.start();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();

  @ParametricNullness
  public static <V extends @Nullable Object> V getDone(Future<V> future) throws ExecutionException {
    /*
     * We throw IllegalStateException, since the call could succeed later. Perhaps we "should" throw
     * IllegalArgumentException, since the call could succeed with a different argument. Those

  }

  /**
   * 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(@CheckForNull Object key) {
    throw new UnsupportedOperationException();
  }

     */
    public static JarFile create(final String file) {
        assertArgumentNotNull("file", file);

        try {
            return new JarFile(file);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * 指定されたJarファイルを読み取るための<code>JarFile</code>を作成して返します。
     *
     * @param file
     *            ファイル。{@literal null}であってはいけません

     */
    public static ZipFile create(final String file) {
        assertArgumentNotEmpty("file", file);

        try {
            return new ZipFile(file);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * 指定されたZipファイルを読み取るための<code>ZipFile</code>を作成して返します。
     *
     * @param file
     *            ファイル。{@literal null}であってはいけません

  @Override
  protected Map<String, Integer> makeEmptyMap() {
    return ImmutableMap.of();
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    return ImmutableMap.of("one", 1, "two", 2, "three", 3);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

  @Override
  protected Integer getValueNotInPopulatedMap() {
    return -1;
  }

  @Override
  protected Map<String, Integer> makeEmptyMap() {
    return ImmutableMap.of();
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    return ImmutableMap.of("one", 1, "two", 2, "three", 3);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

  @Override
  protected Integer getValueNotInPopulatedMap() {
    return -1;
  }

  protected SortedMap<String, Integer> makeEmptyMap() {
    return ImmutableSortedMap.of();
  }

  @Override
  protected SortedMap<String, Integer> makePopulatedMap() {
    return ImmutableSortedMap.of("one", 1, "two", 2, "three", 3);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

  @Override
  protected Integer getValueNotInPopulatedMap() {
    return -1;
  }

    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onOpen(
          webSocket: WebSocket,
          response: Response,
        ) {
          throw e
        }
      },
    )
    newWebSocket()
    serverListener.assertOpen()
    serverListener.assertFailure(EOFException::class.java)
    serverListener.assertExhausted()

        throw new IllegalStateException("Cannot get() on a pending future.");
      }

      boolean permitsPublicUserToTransitionTo(State state) {
        return state.equals(CANCELLED);
      }
    },
    VALUE,
    FAILURE {
      @Override
      void maybeThrowOnGet(@Nullable Throwable cause) throws ExecutionException {
        throw new ExecutionException(cause);
      }
    },