static void ExpandNode ( [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * InNodeToExpand, [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * InSourceGraph, [TSet](API\Runtime\Core\Containers\TSet)< [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * > & OutExpandedNodes )