docs: def _create_api_details_link(self, fullname, refrole):
          """Appends a link to the API docs, labelled as "...", that is appended
          to the content paragraph of an API description.
  
          This affordance indicates that more documentation is available, and
          that by clicking on the ellipsis the user can find that documentation.
          """
          ref_text = '... <{}>'.format(fullname)
          xref = PyXRefRole()
          xref_nodes, _ = xref(
              refrole, ref_text, ref_text,
              self.lineno,
              self.state.inliner)
          return xref_nodes