public static CollapsiblePartialExpression CollapsiblePartialFor <TInputModel>(this IFubuPage page, TInputModel model) where TInputModel : class
 {
     page.Asset("twitter/activate-collapsible.js");
     return(new CollapsiblePartialExpression(() => page.PartialFor(model)));
 }
 public static CollapsiblePartialExpression CollapsiblePartialFor(this IFubuPage page, object input)
 {
     page.Asset("twitter/activate-collapsible.js");
     return(new CollapsiblePartialExpression(() => page.PartialFor(input)));
 }