docs: def __get_doc_block_lines(self):
          """
          Returns the start and end line of the DOcBlock of the stored routine code.
          """
          line1 = None
          line2 = None
  
          i = 0
          for line in self._routine_source_code_lines:
              if re.match(r'\s*/\*\*', line):
                  line1 = i
  
              if re.match(r'\s*\*/', line):
                  line2 = i
  
              if self._is_start_of_stored_routine(line):
                  break
  
              i += 1
  
          return line1, line2