const char kDefaultLocaleKey[] = "widget.@defaultlocale";
const char kNameKey[] = "widget.name.#text";
const char kVersionKey[] = "widget.@version";
+const char kViewModesKey[] = "widget.@viewmodes";
const char kWidgetKey[] = "widget";
const char kLaunchLocalPathKey[] = "widget.content.@src";
const char kWebURLsKey[] = "widget.@id";