messageChatUpgradeTo property

MessageChatUpgradeTo? messageChatUpgradeTo

A basic group was upgraded to a supergroup and was deactivated as the result

Implementation

MessageChatUpgradeTo? get messageChatUpgradeTo {
  if (this is MessageChatUpgradeTo) {
    return this as MessageChatUpgradeTo;
  }
  return null;
}