code: def query(cls, project=None, volume=None, state=None, offset=None,
                limit=None, api=None):
          
          api = api or cls._API
  
          if project:
              project = Transform.to_project(project)
          if volume:
              volume = Transform.to_volume(volume)
  
          return super(Import, cls)._query(
              url=cls._URL['query'], project=project, volume=volume, state=state,
              fields='_all', offset=offset, limit=limit, api=api
          )
docs: Query (List) imports.
          :param project: Optional project identifier.
          :param volume: Optional volume identifier.
          :param state: Optional import sate.
          :param offset: Pagination offset.
          :param limit: Pagination limit.
          :param api: Api instance.
          :return: Collection object.