{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"ide_db::prime_caches::parallel_prime_caches(&db,"}]}
        ide_db::prime_caches::parallel_prime_caches(&db, threads, &|_| ());
        let threads = self.num_threads.unwrap_or_else(num_cpus::get_physical);