{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.expansion_info_cache.entry(macro_file).or_insert_with(||"}]}
        self.expansion_info_cache.entry(macro_file).or_insert_with(|| {
    ) -> &ExpansionInfo {
            let exp_info = macro_file.expansion_info(db);