{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"self.pgo_func_name_var_map.borrow().keys().copied().collect::<Vec<_>>()"}]}
        self.pgo_func_name_var_map.borrow().keys().copied().collect::<Vec<_>>()
        // projections, and this should only run once per CGU anyway.
    }