if (hasErrors) {
      return
    }
    try {
      super.flush()
    } catch (e: IOException) {
      hasErrors = true
      onException(e)
    }
  }

  override fun close() {
    try {
      super.close()
    } catch (e: IOException) {
      hasErrors = true
      onException(e)
    }
  }

	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
	if err != nil {
		return err
	}
	defer srcFile.Close()
	_, err = io.Copy(appendFile, srcFile)
	return err

              throw new IllegalStateException("More than one source open");
            }
            return new FilterReader(source.openStream()) {
              @Override
              public void close() throws IOException {
                super.close();
                counter[0]--;
              }
            };
          }
        };
    Reader joinedReader = CharSource.concat(reader, reader, reader).openStream();

              throw new IllegalStateException("More than one source open");
            }
            return new FilterReader(source.openStream()) {
              @Override
              public void close() throws IOException {
                super.close();
                counter[0]--;
              }
            };
          }
        };
    Reader joinedReader = CharSource.concat(reader, reader, reader).openStream();

            super(invoker, invokerRequest);
        }

        @Override
        public void close() throws InvokerException {
            // we are resident, we do not shut down here
        }

        public void shutDown() throws InvokerException {
            super.close();
        }

        public LocalContext copy(MavenInvokerRequest<MavenOptions> invokerRequest) {

		if err != nil {
			logger.Fatal(config.ErrUnexpectedError(err), "Unable to configure one of server's RPC services")
		}
		// Allow grid to start after registering all services.
		close(globalGridStart)
		close(globalLockGridStart)

		httpServer := xhttp.NewServer(getServerListenAddrs()).
			UseHandler(setCriticalErrorHandler(corsHandler(handler))).
			UseTLSConfig(newTLSConfig(getCert)).

    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {
        try {
            super.close();
        } finally {
            if (!isInMemory() && !done) {
                final File file = super.getFile();
                if (file != null) {
                    try {

  }

  private final class Out extends TestOutputStream {

    public Out() throws IOException {
      super(bytes, options);
    }

    @Override
    public void close() throws IOException {
      outputStreamClosed = true;
      super.close();
    }
  }

  internal val writeTimeout = StreamTimeout()

  /**
   * The reason why this stream was closed, or null if it closed normally or has not yet been
   * closed.
   *
   * If there are multiple reasons to abnormally close this stream (such as both peers closing it
   * near-simultaneously) then this is the first reason known to this peer.
   */
  internal var errorCode: ErrorCode? = null
    get() = this.withLock { field }

        super.setUp();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        // close runner
        runner.close();
        // delete all files
        runner.clean();
    }

    public void test_insert_update_deleteTx() {
        final OpenSearchUrlQueue urlQueue = new OpenSearchUrlQueue();