Eccube\Entity\Product::setFreeArea PHP Method

    public function setFreeArea($freeArea)
    {
        $this->free_area = $freeArea;
        return $this;
    }

 /**
  * {@inheritDoc}
  */
 public function setFreeArea($freeArea)
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'setFreeArea', array($freeArea));
     return parent::setFreeArea($freeArea);
 }