{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"match"}]}
        match obligation_cause_code {
    ) -> Result<&'tcx hir::Expr<'tcx>, &'tcx hir::Expr<'tcx>> {
            traits::ObligationCauseCode::WhereClauseInExpr(_, _, _, _)