Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Spreadsheet.php
public function setRibbonXMLData($target, $xmlData)
    {
        if ($target !== null && $xmlData !== null) {
            $this->ribbonXMLData = ['target' => $target, 'data' => $xmlData];
        } else {
            $this->ribbonXMLData = null;
        }
    }
public function setRibbonXMLData($target, $xmlData)
    {
        if ($target !== null && $xmlData !== null) {
            $this->ribbonXMLData = ['target' => $target, 'data' => $xmlData];
        } else {
            $this->ribbonXMLData = null;
        }
    }
set ribbon XML data.

@param null|mixed $target
@param null|mixed $xmlData