public function __construct(DOMElement $element, $instance_path)
 {
     parent::__construct(uniqid('proc_'));
     $this->parse($element);
     Ezer_XmlStepContainerUtil::parse($this, $element);
     $this->instance_path = $instance_path;
 }
 public function __construct(DOMElement $element)
 {
     parent::__construct(uniqid('flow_'));
     Ezer_XmlStepContainerUtil::parse($this, $element);
 }