{"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":"CycleError"}]}
        CycleError {
    fn lift<Qcx: QueryContext<QueryInfo = I>>(&self, qcx: Qcx) -> CycleError<QueryStackFrameExtra> {
            usage: self.usage.as_ref().map(|(span, frame)| (*span, frame.lift(qcx))),