public static TemplateEngineBuilder <TConfiguration> FindTemplatesInResxClass <TConfiguration, T>(this TemplateEngineBuilder <TConfiguration> builder)
            where T : class where TConfiguration : TemplateEngineConfiguration
        {
            Contract.Requires <ArgumentNullException>(builder != null);

            builder.LocateResourcesWith(ResxClassResourceProvider <T> .Create());
            return(builder);
        }
        public static TemplateEngineBuilder <TConfiguration> FindTemplatesInDirectory <TConfiguration>(this TemplateEngineBuilder <TConfiguration> builder,
                                                                                                       string directory) where TConfiguration : TemplateEngineConfiguration
        {
            Contract.Requires <ArgumentNullException>(builder != null);
            Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(directory));

            builder.LocateResourcesWith(new FileSystemResourceProvider(directory));
            return(builder);
        }