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zhaojs

2023-08-22 7ed6e5c827b302a7c91c5f16bcca67848a62bfd8

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<?php
 
namespace PhpOffice\PhpSpreadsheet\Writer\Ods;
 
use PhpOffice\PhpSpreadsheet\Spreadsheet;
 
class Thumbnails extends WriterPart
{
    /**
     * Write Thumbnails/thumbnail.png to PNG format.
     *
     * @param Spreadsheet $spreadsheet
     *
     * @return string XML Output
     */
    public function writeThumbnail(Spreadsheet $spreadsheet = null)
    {
        return '';
    }
}