public BorderImage(ImageSource source, BorderImageSlice slice) : this($"{source} {slice}") { }
public BorderImage(ImageSource source, BorderImageSlice slice, BorderImageWidth width) : this($"{source} {slice} / {width}") { }
public BorderImage(ImageSource source, BorderImageSlice slice, BorderImageWidth width, BorderImageOutset outset, BorderImageRepeat repeat) : this($"{source} {slice} / {width} / {outset} {repeat}") { }
public BorderImage(ImageSource source, BorderImageSlice slice, BorderImageRepeat repeat) : this($"{source} {slice} {repeat}") { }