{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"filter_def_ids(self.tcx,"}]}
        filter_def_ids(self.tcx, crate_num, |def_id| self.filter_fn_def(def_id))
    pub fn crate_functions(&self, crate_num: CrateNum) -> Vec<DefId> {
    }