public IAddExtensionOption CreateScreenSchemaFromXaml(string uri)
            {
                var screenSchema = ScreenSchema.CreateFromXaml(
                    new Uri(uri, UriKind.Relative));

                return(CreateScreenSchema(screenSchema));
            }
            public IAddExtensionOption CreateScreenSchema(ScreenSchema screenSchema)
            {
                _bootstrapper._screenSchema = screenSchema;


                return(new AddExtensionOption(_bootstrapper));
            }