docs: def evergreen(self, included_channel_ids=None, excluded_channel_ids=None, **kwargs):
          """
          Search containing any evergreen piece of Content.
  
          :included_channel_ids list: Contains ids for channel ids relevant to the query.
          :excluded_channel_ids list: Contains ids for channel ids excluded from the query.
          """
          eqs = self.search(**kwargs)
          eqs = eqs.filter(Evergreen())
          if included_channel_ids:
              eqs = eqs.filter(VideohubChannel(included_ids=included_channel_ids))
          if excluded_channel_ids:
              eqs = eqs.filter(VideohubChannel(excluded_ids=excluded_channel_ids))
          return eqs