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
230             $history = [];
236             $history,
253      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
257     public function rephraseChatQuestion($question, $history)  argument
265             $history,
276      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
283         array         $history,  argument
293         $messages = $this->historyMessages($history, $remainingContext, $historySize);
306      * @param array[] $history The chat history [[user, ai], [user, ai], ...]
311     protected function historyMessages(array $history, int $tokenLimit, int $sizeLimit): array  argument
316         $history = array_reverse($history);
317         $history = array_slice($history, 0, $sizeLimit);
318         foreach ($history as $row) {