private function isCurrentlyFirstPage()
    {
        if ($this->page_number_type === 'start_num') {
            if ($this->page_number_value === 0) {
                return true;
            }
            return false;
        } elseif ($this->page_number_type === 'page_num') {
            if ($this->page_number_value === 1) {
                return true;
            }
            return false;
        }
        return false;
    }