set
suspend fun TelegramBot.setChatAdministratorCustomTitle(chatId: IdChatIdentifier, userId: UserId, customTitle: String): Boolean
suspend fun TelegramBot.setChatAdministratorCustomTitle(chat: PublicChat, userId: UserId, customTitle: String): Boolean
suspend fun TelegramBot.setChatAdministratorCustomTitle(chatId: IdChatIdentifier, user: User, customTitle: String): Boolean
suspend fun TelegramBot.setChatAdministratorCustomTitle(chat: PublicChat, user: User, customTitle: String): Boolean