166      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
170     public function askChatQuestion($question, $history = [], $sourcePage = '')  argument
172         if ($history && $this->getConf('rephraseHistory') > 0) {
173             $contextQuestion = $this->rephraseChatQuestion($question, $history);
182         return $this->askQuestion($question, $history, $contextQuestion, $sourcePage);
189      * @param array $history [user, ai] of the previous question
195     public function askQuestion($question, $history = [], $contextQuestion = '', $sourcePage = '')  argument
229             $history = [];
235             $history,
252      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
256     public function rephraseChatQuestion($question, $history)  argument
264             $history,
275      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
282         array         $history,  argument
292         $messages = $this->historyMessages($history, $remainingContext, $historySize);
305      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
310     protected function historyMessages(array $history, int $tokenLimit, int $sizeLimit): array  argument
315         $history = array_reverse($history);
316         $history = array_slice($history, 0, $sizeLimit);
317         foreach ($history as $row) {