protected override void CheckPreconditions()
{
DebugGuard.Requires(this.Model.Schema.Title == "Article");
DebugGuard.Requires(this.OutputType == ViewOutputType.Html);
DebugGuard.Requires(this.EnableOutputDecoration);
DebugGuard.Requires(this.EnableOutputValidation);
DebugGuard.Requires(this.Parent == null);
}