docs: def __write_docstring(self, routine):
          """
          Writes the docstring for the wrapper method of a stored routine.
  
          :param dict routine: The metadata of the stored routine.
          """
          self._write_line('"""')
  
          self.__write_docstring_description(routine)
          self._write_docstring_parameters(routine)
          self.__write_docstring_return_type()
  
          self._write_line('"""')