fromMap static method

Implementation

static ChatEventActiveUsernamesChanged? fromMap(Map<String, dynamic>? _map) {
  if (_map == null) return null;
  var _ = _map["@type"];
  if (_ != CONSTRUCTOR) return null;
  var extra = _map['@extra'];
  var clientId = _map['@clientId'];
  var old_usernames = List<String>.from(
    (_map["old_usernames"] ?? []).map(
      (e) => e as String,
    ),
  );
  var new_usernames = List<String>.from(
    (_map["new_usernames"] ?? []).map(
      (e) => e as String,
    ),
  );
  return ChatEventActiveUsernamesChanged(
    extra: extra,
    clientId: clientId,
    old_usernames: old_usernames,
    new_usernames: new_usernames,
  );
}