return new File(baseDir, 'pid')
    }

    /** Reads the pid file and returns the process' pid */
    @Internal
    int getPid() {
        return Integer.parseInt(pidFile.getText('UTF-8').trim())
    }

    /** Returns the file the process writes its bound ports to. Defaults to "ports" inside baseDir. */
    @Internal
    protected File getPortsFile() {
        return new File(baseDir, 'ports')
    }

        } catch (final Throwable t) {
            logger.warn("Failed to set SessionTrackingMode.", t);
        }

        split(fessConfig.getQueryFacetQueries(), "\n").of(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(s -> {
            final String[] values = StringUtils.split(s, ":", 2);
            if (values.length != 2) {
                return;
            }

    fun add(line: String) =
      apply {
        val index = line.indexOf(':')
        require(index != -1) { "Unexpected header: $line" }
        add(line.substring(0, index).trim(), line.substring(index + 1))
      }

    /**
     * Add a header with the specified name and value. Does validation of header names and values.
     */
    fun add(
      name: String,

   * count. Hence, {@code Splitter.on(',').limit(3).omitEmptyStrings().split("a,,,b,,,c,d")} returns
   * an iterable containing {@code ["a", "b", "c,d"]}. When trim is requested, all entries are
   * trimmed, including the last. Hence {@code Splitter.on(',').limit(3).trimResults().split(" a , b
   * , c , d ")} results in {@code ["a", "b", "c , d"]}.
   *

			extractedSignedHeaders.Set(header, strconv.FormatInt(r.ContentLength, 10))
		default:
			return nil, ErrUnsignedHeaders
		}
	}
	return extractedSignedHeaders, ErrNone
}

// Trim leading and trailing spaces and replace sequential spaces with one space, following Trimall()
// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
func signV4TrimAll(input string) string {

		ret.FieldsPerRecord = -1
		// If LazyQuotes is true, a quote may appear in an unquoted field and a
		// non-doubled quote may appear in a quoted field.
		ret.LazyQuotes = true
		// We do not trim leading space to keep consistent with s3.
		ret.TrimLeadingSpace = false
		ret.ReuseRecord = true
		return ret
	}

	return r, r.startReaders(newCsvReader)

        // Test with empty array
        baos.reset();
        byte[] data3 = {};
        Hexdump.hexdump(ps, data3, 0, 0);
        String output3 = baos.toString();
        assertEquals("", output3.trim());
    }

    @Test
    @DisplayName("Should handle multiple lines in hexdump")
    void testHexdumpMultipleLines() {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

    when (this[i]) {
      '\t', '\n', '\u000C', '\r', ' ' -> Unit
      else -> return i + 1
    }
  }
  return startIndex
}

/** Equivalent to `string.substring(startIndex, endIndex).trim()`. */
fun String.trimSubstring(
  startIndex: Int = 0,
  endIndex: Int = length,
): String {
  val start = indexOfFirstNonAsciiWhitespace(startIndex, endIndex)

  @get:Synchronized @set:Synchronized
  var maxSize: Long = maxSize
    set(value) {
      field = value
      if (initialized) {
        cleanupQueue.schedule(cleanupTask) // Trim the existing store if necessary.
      }
    }

  /*
   * This cache uses a journal file named "journal". A typical journal file looks like this:
   *
   *     libcore.io.DiskLruCache
   *     1

        socket.source.readUtf8LineStrict()
      }
      try {
        bytesRemainingInChunk = socket.source.readHexadecimalUnsignedLong()
        val extensions = socket.source.readUtf8LineStrict().trim()
        if ((bytesRemainingInChunk < 0L) || (extensions.isNotEmpty() && !extensions.startsWith(";"))) {
          throw ProtocolException(
            "expected chunk size and optional extensions" +