public static void checkForUpdatesWithUi(
      final Window parent, final String productName, final String currentVersion) {
    checkForUpdatesWithUi(parent, productName, currentVersion, "stable");
  }
Checks for available product updates in the "stable" channel and displays the results in a user
interface.

@param parent a {@link Window} to be used as a parent for modal dialogs. Can be {@code null}.
@param productName the name of the product to check for updates. Should not include a leading
    "zynamics ".
@param currentVersion the version string of the product that denotes the current version (i.e.
    "4.0.0").
java/zylib/src/main/java/com/google/security/zynamics/zylib/gui/license/UpdateCheckHelper.java