logger.info("Stopping all crawler.");
            }
            forceStop();
        }
    }

    public void addFinishedSessionId(final String sessionId) {
        synchronized (finishedSessionIdList) {
            finishedSessionIdList.add(sessionId);
        }
    }

    private void deleteBySessionId(final String sessionId) {
        try {

        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    /**
     * @return
     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        // ensure file is open
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released

        }
        buffer.setLength(buffer.length() - ", ".length());
        return new String(buffer);
    }

    /**
     * 初期化します。
     */
    protected static synchronized void initialize() {
        if (!initialized) {
            DisposableUtil.add(() -> {
                ResourceBundle.clearCache();
                initialized = false;
            });

        resultData.setTransformerName(getName());

        initBaseDir();

        final String url = responseData.getUrl();
        final String path = getFilePath(url);

        synchronized (this) {

            final File file = createFile(path);

            try (final InputStream is = responseData.getResponseBody(); final OutputStream os = new FileOutputStream(file);) {

        this.cachedSubject = null;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.Kerb5Authenticator#getSubject()
     */
    @Override
    public synchronized Subject getSubject () {
        if ( this.cachedSubject != null ) {
            return this.cachedSubject;
        }

        try {
            log.debug("Logging on");
            LoginContext lc;

                    }
                }
                return null;
            }

            private void loadFullReactor() {
                if (!fullReactorLoaded) {
                    synchronized (DefaultTransformerContextBuilder.this) {
                        if (!fullReactorLoaded) {
                            doLoadFullReactor();
                            fullReactorLoaded = true;
                        }

            }
            destroyContainer();
        }

        System.exit(exitCode);
    }

    private static void destroyContainer() {
        TimeoutManager.getInstance().stop();
        synchronized (SingletonLaContainerFactory.class) {
            SingletonLaContainerFactory.destroy();
        }
    }

    private static int process(final Options options) {

                synchronized (result) {
                    result.addMissingArtifact(artifact);
                }
            } catch (ArtifactResolutionException e) {
                // This is really a wagon TransferFailedException so something went wrong after we successfully
                // retrieved the metadata.

                synchronized (result) {

  }

  private class RecordingPushObserver : PushObserver {
    val events = mutableListOf<Any>()

    @Synchronized fun takeEvent(): Any {
      while (events.isEmpty()) {
        wait()
      }
      return events.removeAt(0)
    }

    @Synchronized override fun onRequest(
      streamId: Int,
      requestHeaders: List<Header>,
    ): Boolean {

            if (pattern.matcher(input).matches()) {
                return Constants.FALSE;
            }
        }

        return Constants.TRUE;
    }

    protected synchronized void initDocUrlPattern() {

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        if (includedDocUrlPatterns == null) {
            if (StringUtil.isNotBlank(getIncludedDocUrls())) {