if (args.length < 3 || args.length > 4) {
            throw new IllegalArgumentException("USAGE: <style-sheet> <source-file> <dest-file> [dest-dir]");
        }
        File stylesheet = new File(args[0]);
        File source = new File(args[1]);
        File dest = new File(args[2]);
        String destDir = "";
        if (args.length > 3) {
            destDir = args[3];
        }

            final int length) {
        final HMACT64 hmac = new HMACT64(responseKey);
        hmac.update(serverChallenge);
        hmac.update(clientData, offset, length);
        final byte[] mac = hmac.digest();
        final byte[] ret = new byte[mac.length + clientData.length];
        System.arraycopy(mac, 0, ret, 0, mac.length);

        assertEquals(3, settings.badword().get(false).length);
        assertEquals(value1, settings.badword().get(false)[0]);
        assertEquals(value2, settings.badword().get(false)[1]);
        assertEquals(value3, settings.badword().get(false)[2]);

        settings.badword().delete(value2);
        assertEquals(2, settings.badword().get(false).length);
        assertEquals(value1, settings.badword().get(false)[0]);

 * contains newline characters.
 */
internal fun String.indexOfNonWhitespace(startIndex: Int = 0): Int {
  for (i in startIndex until length) {
    val c = this[i]
    if (c != ' ' && c != '\t') {
      return i
    }
  }
  return length
}

fun String.toLongOrDefault(defaultValue: Long): Long =
  try {
    toLong()
  } catch (_: NumberFormatException) {
    defaultValue
  }

      return seq.toString();
    }

    @Override
    public boolean isEmpty() {
      return seq.length() == 0;
    }

    @Override
    public long length() {
      return seq.length();
    }

    @Override
    public Optional<Long> lengthIfKnown() {
      return Optional.of((long) seq.length());
    }

    /**

      return seq.toString();
    }

    @Override
    public boolean isEmpty() {
      return seq.length() == 0;
    }

    @Override
    public long length() {
      return seq.length();
    }

    @Override
    public Optional<Long> lengthIfKnown() {
      return Optional.of((long) seq.length());
    }

    /**

    public void transferProgress(TransferEvent transferEvent, byte[] buffer, int length) {
        Long transferred;
        synchronized (transfers) {
            transferred = transfers.get(transferEvent.getResource());
            if (transferred == null) {
                transferred = (long) length;
            } else {
                transferred = transferred + length;
            }

        }

        private String appendPath(String parentUrl, String childPath, String pathAdjustment) {
            StringBuilder url = new StringBuilder(parentUrl.length()
                    + pathAdjustment.length()
                    + childPath.length()
                    + ((pathAdjustment.isEmpty()) ? 1 : 2));

            url.append(parentUrl);
            concatPath(url, pathAdjustment);

    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Collection<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */

    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Queue<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override