private static extern void Internal_TColorDistribution3(ColorHDRDistribution managedInstance, ColorGradientHDR minGradient, ColorGradientHDR maxGradient);
private static extern void Internal_TColorDistribution0(ColorHDRDistribution managedInstance, ref Color color);
private static extern void Internal_TColorDistribution1(ColorHDRDistribution managedInstance, ref Color minColor, ref Color maxColor);
private static extern void Internal_TColorDistribution(ColorHDRDistribution managedInstance);