private static void awaitBlockedOnInstanceOf(Thread t, Class<?> blocker)
      throws InterruptedException {
    while (!isThreadBlockedOnInstanceOf(t, blocker)) {
      if (t.getState() == Thread.State.TERMINATED) {
        throw new RuntimeException("Thread " + t + " exited unexpectedly");
      }
      Thread.sleep(1);
    }
  }

  private static boolean isThreadBlockedOnInstanceOf(Thread t, Class<?> blocker) {

            }
            if (exitValue != 0) {
                final StringBuilder out = new StringBuilder();
                if (processTimeout) {
                    out.append("Process is terminated due to ").append(timeout).append(" second exceeded.\n");
                }
                out.append("Exit Code: ").append(exitValue).append("\nOutput:\n").append(it.getOutput());

    }

    /**
     * Reads a null-terminated string from the buffer
     * @param src source buffer
     * @param srcIndex starting index in the buffer
     * @return read string
     */
    public String readString(final byte[] src, final int srcIndex) {
        return readString(src, srcIndex, 255, this.useUnicode);
    }

    /**
     * Reads a null-terminated string from the buffer with specified encoding

                logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("ThumbnailGenerator terminated unexpectedly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }

        gen.init(param);

        final byte[] derived = new byte[16];
        gen.generateBytes(derived, 0, 16);
        return derived;
    }

    /**
     * @param string
     * @return null terminated ASCII bytes
     */
    private static byte[] toCBytes(final String string) {
        final byte[] data = new byte[string.length() + 1];

        assertEquals(0x12, buffer[1] & 0xFF);
        // Check that the path is written after the referral level
        // The path should be written starting at index 2
        // writeString adds null terminator
        assertTrue(len > 2, "Length should include path");
        String writtenPath = extractStringFromBuffer(buffer, 2, len - 2);
        assertTrue(writtenPath.contains("abc"), "Path should be written to buffer");
    }

            return "";
        }

        // Read wide string data (UTF-16LE)
        int byteCount = (actualCount - 1) * 2; // Exclude null terminator
        byte[] wideBytes = new byte[byteCount];
        buf.readOctetArray(wideBytes, 0, byteCount);

        // Skip null terminator
        buf.dec_ndr_short();

        // Skip padding
        int padding = (4 - ((byteCount + 2) % 4)) % 4;

    protected TimeoutTask createTimeoutTask() {
        if (timeout <= 0) {
            return null;
        }
        return TimeoutManager.getInstance().addTimeoutTarget(() -> {
            logger.warn("Process terminated: timeout={}s exceeded", timeout);
            ComponentUtil.getProcessHelper().destroyProcess(sessionId);
            processTimeout = true;
        }, timeout, false);
    }

    /**

                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("SuggestCreator terminated unexpectedly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }

        carrier.noNewExchanges() // Unread bytes remain on the stream.
        responseBodyComplete(TRAILERS_RESPONSE_BODY_TRUNCATED)
      }
      closed = true
    }
  }

  /** An HTTP message body terminated by the end of the underlying stream. */
  private inner class UnknownLengthSource(
    url: HttpUrl,
  ) : AbstractSource(url) {
    private var inputExhausted: Boolean = false

    override fun read(