{"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"("}]}
                    (
                OutlivesBound::RegionSubRegion(r_a, r_b) => match (r_a.kind(), r_b.kind()) {
                        ty::ReStatic | ty::ReEarlyParam(_) | ty::ReLateParam(_),