<?php
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namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
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use PhpOffice\PhpSpreadsheet\Chart\Chart;
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interface IRenderer
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{
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/**
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* IRenderer constructor.
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*/
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public function __construct(Chart $chart);
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/**
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* Render the chart to given file (or stream).
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*
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* @param ?string $filename Name of the file render to
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*
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* @return bool true on success
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*/
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public function render(?string $filename): bool;
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}
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