public ILinearGradientBrush CreateLinearGradientBrush(LinearGradientBrushProperties linearGradientBrushProperties, BrushProperties?brushProperties, IGradientStopCollection gradientStopCollection) =>
 base.innerRefT.CreateLinearGradientBrush(linearGradientBrushProperties, brushProperties, gradientStopCollection);
 public IRadialGradientBrush CreateRadialGradientBrush(RadialGradientBrushProperties radialGradientBrushProperties, BrushProperties?brushProperties, IGradientStopCollection gradientStopCollection) =>
 base.innerRefT.CreateRadialGradientBrush(radialGradientBrushProperties, brushProperties, gradientStopCollection);
 public static IGradientStopCollection CreateRef(this IGradientStopCollection objectRef) =>
 ((IGradientStopCollection)objectRef.CreateRef(typeof(IGradientStopCollection)));