{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"mod_prefix.map_or_else(String::new,"}]}
                    mod_prefix.map_or_else(String::new, |res| format!("{} ", res.descr()));
                let mod_prefix =
                (mod_prefix, format!("`{}`", Segment::names_to_string(mod_path)), module_did, None)