static const Vector4& GetPlaceholderTextColor(const Controller& controller);
static void SetPlaceholderProperty(Controller& controller, const Property::Map& map);
static void GetPlaceholderProperty(Controller& controller, Property::Map& map);
static const Vector4& GetPlaceholderTextColor(const Controller& controller);
static void SetPlaceholderProperty(Controller& controller, const Property::Map& map);
static void GetPlaceholderProperty(Controller& controller, Property::Map& map);