* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altosuilib_9;
+package org.altusmetrum.altosuilib_11;
import java.io.File;
import java.util.prefs.*;
-import org.altusmetrum.altoslib_9.*;
+import org.altusmetrum.altoslib_11.*;
import javax.swing.filechooser.FileSystemView;
-public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
+public class AltosUIPreferencesBackend extends AltosPreferencesBackend {
private Preferences _preferences = null;