public function setFontType(string $fontname = null): PdfInterface
    {
        /**
         * Font sets to be used for PDF documents:
         *
         *   - Arial           - Times             - Tahoma
         *   - Georgia         - Trebuchet         - Courier
         *   - Lucida          - Lucida-Bright     - Palatino
         *   - Garamond        - Verdana           - Console
         *   - Monaco          - Helvetica         - Calibri
         *   - Avant-Garde     - Cambria
         */
        $this->setProperty('fontType', $this->getFontFamily(strtolower($fontname)));
        $this->mpdf->SetDefaultBodyCSS('font-family', $this->getProperty('fontType'));

        return $this;
    }