/**
  * Copies the SOAP body part from one SOAP container to another.
  * 
  * @param ContainerInterface $fromContainer
  * @param ContainerInterface $toContainer
  */
 public function copyBody(ContainerInterface $fromContainer, ContainerInterface $toContainer)
 {
     $fromSoap = $fromContainer->getSoapMessage();
     $toSoap = $toContainer->getSoapMessage();
     $toSoap->copyBodyFromMessage($fromSoap);
     $toContainer->setSoapMessage($toSoap);
 }