Такой вот вариантик

Код AS3:
package somePackage
{
public class SomeClass
{
public static function initStatics() : void
{
var t:SomeClass = new SomeClass();
}
public function SomeClass()
{
this._sprite = new SomePrivateClass();
}
private var _sprite : SomePrivateClass;
}
}
import flash.display.Sprite;
internal class SomePrivateClass extends Sprite
{
public function SomePrivateClass()
{
}
}
import somePackage.SomeClass;
SomeClass.initStatics();