def getapi(self):
        if self._api is None:
            self._api = [
                (path, f, f._wsme_definition, args)
                for path, f, args in self._scan_api(self)
            ]
            for path, f, fdef, args in self._api:
                fdef.resolve_types(self.__registry__)
        return [
            (path, fdef)
            for path, f, fdef, args in self._api
        ]
Returns sigma for the groups of parameter values in the
dataset/ETHPy150Open openstack/wsme/wsme/root.py/WSRoot.getapi--crossover with--dataset/ETHPy150Open SALib/SALib/SALib/analyze/morris.py/compute_grouped_sigma