public int getLineNumber() throws NumberFormatException {
    final int close = getCloseBracket();
    final int lineNumberStart = myLine.lastIndexOf(':') + 1;
    if (lineNumberStart < 1 || lineNumberStart >= close) throw new NumberFormatException(myLine);
    return Integer.parseInt(myLine.substring(lineNumberStart, close)) - 1;
  }
public int getLineNumber()