<?phpnamespacePhpOffice\PhpSpreadsheet\Chart\Renderer;usePhpOffice\PhpSpreadsheet\Chart\Chart;interfaceIRenderer{/** * IRenderer constructor. * * @param \PhpOffice\PhpSpreadsheet\Chart\Chart $chart */publicfunction__construct(Chart$chart);/** * Render the chart to given file (or stream). * * @param string $filename Name of the file render to * * @return bool true on success */publicfunctionrender($filename);}