/**
* Searches for value of $key in this context and the parent context.
* Returns the value if found, null if not found.
*
* @param string $key
*
* @return mixed
*/
public function tryGet($key)
{
if (isset($this->stash[$key])) {
return $this->stash[$key];
}
if ($this->parent && $this->parent->tryGet($key) !== null) {
return $this->parent->tryGet($key);
}
return null;
}
/**
* @param PipelineStageContext|null $parentContext
*/
public function __construct(PipelineStageContext $parentContext = null)
{
parent::__construct($parentContext);
}
