When moving a class to the default package the refactored source code begins
with "package ;". Which results in a compilation error.

--------------------------------------------------------------------------------

package ; <= compilation error

import javafx.scene.CustomNode;
import javafx.scene.Node;
import javafx.scene.text.Text;
import javafx.scene.Group;

class Test extends CustomNode {
    override protected function create () : Node {
        Text {
            content: "testing..."
        }
    }
}

def test:Node = Test{};
def isGroup = test instanceof Group;