/**
  * @param Ess_M2ePro_Model_Listing_Product_Action_Configurator $configurator
  * @return $this
  */
 public function mergeData(Ess_M2ePro_Model_Listing_Product_Action_Configurator $configurator)
 {
     if ($configurator->isEmptyMode()) {
         return $this;
     }
     return parent::mergeData($configurator);
 }
 /**
  * @param Ess_M2ePro_Model_Listing_Product_Action_Configurator $configurator
  * @return $this
  */
 public function mergeParams(Ess_M2ePro_Model_Listing_Product_Action_Configurator $configurator)
 {
     $this->params = array_unique(array_merge($this->getParams(), $configurator->getParams()));
     return $this;
 }