ImportService::convertToGroup

private function convertToGroup(array $users): void
{
	$title = Loc::getMessage(
		'IM_IMPORT_GROUP_FROM_PRIVATE_CHAT_TITLE',
		[
			'#USER_NAME_1#' => User::getInstance($users[0])->getFullName(false),
			'#USER_NAME_2#' => User::getInstance($users[1])->getFullName(false),
		]
	);
	ChatTable::update((int)$this->chat['ID'], ['TYPE' => IM_MESSAGE_CHAT, 'TITLE' => $title]);
}