{"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"ObligationCauseCodeHandle"}]}
        ObligationCauseCodeHandle {
    fn into(self) -> ObligationCauseCodeHandle<'tcx> {
            code: if let ObligationCauseCode::Misc = self { None } else { Some(Arc::new(self)) },