public @NotNull OptPane getOptionPane() {
    return pane(stringList("myCollectionClassesRequiringCapacity",
                           QuickFixBundle.message("collection.addall.can.be.replaced.with.constructor.fix.options.label"),
                           new JavaClassValidator().withTitle(
                            QuickFixBundle.message("collection.addall.can.be.replaced.with.constructor.fix.options.dialog.title"))));
  }
public @NotNull OptPane getOptionPane()