public IEnumerable<IViewToken> Apply(ActionCall call, ViewBag views)
{
var proposedFolder = GetSparkViewPath(call);
var proposedFile = GetSparkViewFile(call);
var sparkFolder = new VirtualPathProviderViewFolder(proposedFolder);
return ( sparkFolder.HasView(proposedFile))
? new IViewToken[]{new SparkViewToken(proposedFolder + "/" + proposedFile)}
: new IViewToken[0];
}