Creates a List containing the elements of this Iterable.
The elements are in iteration order. The list is fixed-length if growable is false.
List<String> toList({bool growable: true}) =>
    readClasses().toList(growable: growable);
    © 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    https://api.dart.dev/stable/2.5.0/dart-svg/AttributeClassSet/toList.html