suspend fun fetchFullChatHistory(chatId: Long, pageSize: Int = 100, syncRemote: Boolean = true, onPage: suspend (List<TdApi.Message>) -> Unit): Pair<Int, Int>

Loads local TDLib cache first, then syncs from Telegram when the network is reachable.

suspend fun getChat(chatId: Long): TdApi.Chat?

suspend fun getChatHistory(chatId: Long, fromMessageId: Long = 0, limit: Int = 100, onlyLocal: Boolean = false): List<TdApi.Message>

suspend fun getChatIds(limit: Int = 100): List<Long>

suspend fun getMe(): TdApi.User?

fun loadChats(limit: Int = 100)

TDLib Example.java uses LoadChats, not deprecated GetChats.

fun onUpdate(update: TdApi.Object)

fun openChat(chatId: Long)

suspend fun paginateChatHistory(chatId: Long, onlyLocal: Boolean, pageSize: Int = 100, onPage: suspend (List<TdApi.Message>) -> Unit): Int

Paginates GetChatHistory until the thread is exhausted (newest → oldest).

suspend fun registerUser(firstName: String, lastName: String): String?

suspend fun resendCode(): String?

suspend fun searchPublicChat(username: String): TdApi.Chat?

fun sendText(chatId: Long, text: String)

fun setParameters(databaseDirectory: String, apiId: Int, apiHash: String)

suspend fun syncChatList(limit: Int = 200): List<TdApi.Chat>

fun viewMessages(chatId: Long, messageIds: LongArray)