code: def parse_collection(self, item_file_prefix: str, base_item_type: Type[T], item_name_for_log: str = None,
                           file_mapping_conf: FileMappingConfiguration = None,
                           options: Dict[str, Dict[str, Any]] = None) -> Dict[str, T]:
          
          # -- item_name_for_log
          item_name_for_log = item_name_for_log or ''
          check_var(item_name_for_log, var_types=str, var_name='item_name_for_log')
  
          # creating the wrapping dictionary type
          collection_type = Dict[str, base_item_type]
          if len(item_name_for_log) > 0:
              item_name_for_log = item_name_for_log + ' '
          self.logger.debug('**** Starting to parse ' + item_name_for_log + 'collection of <'
                            + get_pretty_type_str(base_item_type) + '> at location ' + item_file_prefix +' ****')
  
          # common steps
          return self._parse__item(collection_type, item_file_prefix, file_mapping_conf, options=options)
docs: Main method to parse a collection of items of type 'base_item_type'.
  
          :param item_file_prefix:
          :param base_item_type:
          :param item_name_for_log:
          :param file_mapping_conf:
          :param options:
          :return: