{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"///"}]}
    /// match up with the upvar order in the HIR, typesystem, and MIR.
    /// will be an empty list. The order of types in this list will
    pub(crate) fn upvar_tys(self) -> &'tcx ty::List<Ty<'tcx>> {