/**
  * Update specified argument
  *
  * @param \Magento\Framework\Data\Collection $argument
  * @return \Magento\Framework\Data\Collection
  */
 public function update($argument)
 {
     $calls = $argument->getUpdaterCall();
     $calls[] = 'updater call';
     $argument->setUpdaterCall($calls);
     return $argument;
 }