{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"tcx.try_normalize_erasing_regions(self.typing_env(),"}]}
                tcx.try_normalize_erasing_regions(self.typing_env(), proj).ok()
                let proj = Ty::new_projection(tcx, assoc.def_id, [self_ty]);
            })