/**
  * @param $eBayProduct
  * @param Product $product
  * @return array
  */
 private function separateVariations($eBayProduct, Product $product)
 {
     $foundVariations = [];
     $newVariations = [];
     // Find variations that are to be updated and separate the new ones
     foreach ($product->getVariationOptions() as $option) {
         $found = false;
         foreach ($eBayProduct->Variations->Variation as $ebayVariation) {
             if ($ebayVariation->SKU === $option['sku']) {
                 $ebayVariation->Quantity = $option['quantity'];
                 if (array_key_exists('price', $option) && $ebayVariation->StartPrice->value != $option['price']) {
                     $ebayVariation->StartPrice = new AmountType(array('value' => doubleval($option['price'])));
                 }
                 $foundVariations[] = $ebayVariation;
                 $found = true;
                 break;
             }
         }
         if (!$found) {
             $newVariations[] = $option;
         }
     }
     return ['new' => $newVariations, 'found' => $foundVariations];
 }