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<?php
namespace CMEN\GoogleChartsBundle\GoogleCharts\Options;
/**
* @author Christophe Meneses
*/
trait OpacityTrait
{
* The opacity, with 0.0 being fully transparent and 1.0 fully opaque.
*
* @var float
protected $opacity;
* @param float $opacity
* @return $this
public function setOpacity($opacity)
$this->opacity = $opacity;
return $this;
}