Endroid\QrCode\QrCode::setStructureAppend PHP Method

    public function setStructureAppend($n, $m, $parity, $original_data)
    {
        $this->structure_append_n = $n;
        $this->structure_append_m = $m;
        $this->structure_append_parity = $parity;
        $this->structure_append_original_data = $original_data;
        return $this;
    }