The expression $this->backgroundColor; of type string|CMEN\GoogleCharts...AdvancedBackgroundColor adds the type string to the return on line 56 which is incompatible with the return type documented by CMEN\GoogleChartsBundle\...ons::getBackgroundColor of type CMEN\GoogleChartsBundle\...AdvancedBackgroundColor.
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57
}
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/**
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* @return ChartArea
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*/
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public function getChartArea()
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{
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return $this->chartArea;
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}
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3
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/**
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3
* @return TitleTextStyle
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*/
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3
public function getTitleTextStyle()
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3
{
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3
return $this->titleTextStyle;
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3
}
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/**
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* @param string $backgroundColor
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*
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* @return $this
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1
*/
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public function setBackgroundColor($backgroundColor)