code: def walk_paths(self,
                     base: Optional[pathlib.PurePath] = pathlib.PurePath()) \
              -> Iterator[pathlib.PurePath]:
          
          raise NotImplementedError()
docs: Recursively traverse all paths inside this entity, including the entity
          itself.
  
          :param base: The base path to prepend to the entity name.
          :return: An iterator of paths.