{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"SubregionOrigin::RelateParamBound(a,"}]}
            SubregionOrigin::RelateParamBound(a, ..) => a,
            SubregionOrigin::RelateObjectBound(a) => a,
            SubregionOrigin::RelateRegionParamBound(a, _) => a,