/**
* Propagates the new state machine position to the execution context of the given subject,
* by calling the execution context's "onStateExit" method.
*
* @param StatefulSubjectInterface $subject
*/
public function onExit(StatefulSubjectInterface $subject)
{
parent::onExit($subject);
foreach ($this->getOption(self::OPTION_REMOVE_VARS, []) as $key) {
$subject->getExecutionContext()->removeParameter($key);
}
}
