docs: def main(self, config_filename):
          """
          The "main" of the wrapper generator. Returns 0 on success, 1 if one or more errors occurred.
  
          :param str config_filename: The name of the configuration file.
  
          :rtype: int
          """
          self._read_configuration_file(config_filename)
  
          if self._wrapper_class_name:
              self._io.title('Wrapper')
  
              self.__generate_wrapper_class()
          else:
              self._io.log_verbose('Wrapper not enabled')
  
          return 0