{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME(salsa-transition): bring this back; allow changing LRU settings at runtime.
    pub fn update_lru_capacities(&mut self, _lru_capacities: &FxHashMap<Box<str>, u16>) {
        // use hir::db as hir_db;