docs: @Nonnull
    @OverrideOnDemand
    protected UserDataObject getUserDataObject (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope,
                                                @Nonnull final String sFilename)
    {
      // URL decode is required because requests contain e.g. "%20"
      final String sFilename1 = URLHelper.urlDecode (sFilename);
  
      return new UserDataObject (sFilename1);
    }