{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":".try_normalize_erasing_regions(ty::TypingEnv::non_body_analysis(self.tcx,"}]}
            .try_normalize_erasing_regions(ty::TypingEnv::non_body_analysis(self.tcx, def_id), sig)
            .tcx
            .unwrap_or(sig);