{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"self.opt_feed(node).unwrap_or_else(||"}]}
        self.opt_feed(node).unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
    fn feed(&self, node: NodeId) -> Feed<'tcx, LocalDefId> {
    }