/**
* @return LinkedFlowScope
*/
public function createChildFlowScope()
{
$this->frozen = true;
if ($this->depth > self::MAX_DEPTH) {
if (null === $this->flattened) {
$this->flattened = FlatFlowScopeCache::createFromLinkedScope($this);
}
return new LinkedFlowScope($this->flattened);
}
return LinkedFlowScope::createFromLinkedFlowScope($this);
}
