{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"self.eval_outlives(r1,"}]}
        self.eval_outlives(r1, r2) && self.eval_outlives(r2, r1)
    pub fn eval_equal(&self, r1: RegionVid, r2: RegionVid) -> bool {
    }