::ToJson; let mut tree_map = get_tree_map(); // : TreeMap<String, String>
let mut tree_map2 = tree_map.iter().map(|k, v| (k, v.to_json())); //error the type of this我试图通过将它转换为TreeMap<String, Json>来
val inputStream: InputStream = FileInputStream("permissions.yml")println(obj.get("accepted_groups")) // prints [A, B]
val group = obj.get("accepted_groups") /&#