export declare enum CHECK_CHAT_USERNAME_RESULT {
    checkChatUsernameResultOk = "checkChatUsernameResultOk",
    checkChatUsernameResultUsernameInvalid = "checkChatUsernameResultUsernameInvalid",
    checkChatUsernameResultUsernameOccupied = "checkChatUsernameResultUsernameOccupied",
    checkChatUsernameResultPublicChatsTooMuch = "checkChatUsernameResultPublicChatsTooMuch",
    checkChatUsernameResultPublicGroupsUnavailable = "checkChatUsernameResultPublicGroupsUnavailable"
}