Usernames.fromJson constructor
Parse from a json
Implementation
factory Usernames.fromJson(Map<String, dynamic> json) => Usernames(
activeUsernames: List<String>.from(
(json['active_usernames'] ?? []).map((item) => item).toList()),
disabledUsernames: List<String>.from(
(json['disabled_usernames'] ?? []).map((item) => item).toList()),
editableUsername: json['editable_username'],
);