protected override IEnumerable <UrlPattern> getChildUrlPatterns() =>
 RequestDispatchingStatics.GetFrameworkUrlPatterns()
 .Append(BoxDemo.UrlPatterns.Literal(this, "box"))
 .Append(EwfTableDemo.UrlPatterns.Literal(this, "ewf-table"))
 .Append(CreateSystem.UrlPatterns.Literal("create-system"))
 .Append(ConfigurationSchemas.EntitySetup.UrlPatterns.Literal("ConfigurationSchemas"))
 .Concat(LegacyUrlStatics.GetPatterns());
 protected override UrlHandler getUrlParent() => LegacyUrlStatics.GetParent();