docs: def _print_links(self, model, links):
          """
          Print links that start from model.
          """
          for link in links:
              if link['o2o'] is True:
                  link_type = self._one_to_one
              elif link['m2m'] is True:
                  link_type = self._many_to_many
              else:
                  link_type = self._one_to_many
              linked_model = link['mdl'](super_context)
              self._print('%s %s %s' % (model.title, link_type, linked_model.title))