docs: def entity(self, entity_id, get_files=False, channel=None,
                 include_stats=True, includes=None):
          '''Get the default data for any entity (e.g. bundle or charm).
  
          @param entity_id The entity's id either as a reference or a string
          @param get_files Whether to fetch the files for the charm or not.
          @param channel Optional channel name.
          @param include_stats Optionally disable stats collection.
          @param includes An optional list of meta info to include, as a
              sequence of strings. If None, the default include list is used.
          '''
          if includes is None:
              includes = DEFAULT_INCLUDES[:]
          if get_files and 'manifest' not in includes:
              includes.append('manifest')
          if include_stats and 'stats' not in includes:
              includes.append('stats')
          return self._meta(entity_id, includes, channel=channel)