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
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.