{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"ty::ReEarlyParam(ebr)"}]}
            ty::ReEarlyParam(ebr) => self.generics.region_param(ebr, self.tcx).def_id,
        let def_id = match a.kind() {
            ty::ReBound(_, ty::BoundRegion { kind: ty::BoundRegionKind::Named(def_id), .. })