>>>
class SpongePublishers extends ResultPublishers {
  SpongePublishers(
      [FilenameConvention _filenameConvention = const DefaultFilenameConvention()])
      : super(<ResultPublisher>[
          new RedirectPublisher(),
          new ImagePublisher(_filenameConvention),
          new ResultPropertyPublisher(_filenameConvention)
        ]);
}
<<<
class SpongePublishers extends ResultPublishers {
  SpongePublishers([
    FilenameConvention _filenameConvention = const DefaultFilenameConvention(),
  ]) : super(<ResultPublisher>[
         new RedirectPublisher(),
         new ImagePublisher(_filenameConvention),
         new ResultPropertyPublisher(_filenameConvention),
       ]);
}