{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"ty::Dynamic(data,"}]}
            ty::Dynamic(data, ..) if data.principal_def_id().is_some() => {
            ty::Foreign(did) => self.check_def_id(id, self_ty, did),
                self.check_def_id(id, self_ty, data.principal_def_id().unwrap())