/**
* Fetch an array of all return statements found within this function.
*
* Note that return statements within smaller scopes contained (e.g. anonymous classes, closures) are not returned
* here as they are not within the immediate scope.
*
* @return Node\Stmt\Return_[]
*/
public function getReturnStatementsAst()
{
$visitor = new ReturnNodeVisitor();
$traverser = new NodeTraverser();
$traverser->addVisitor($visitor);
$traverser->traverse($this->node->getStmts());
return $visitor->getReturnNodes();
}