writeAttributeWhitePointX(withValue:completion:)
Declaration
func writeAttributeWhitePointX(withValue value: NSNumber, completion: @escaping @Sendable ((any Error)?) -> Void)func writeAttributeWhitePointX(withValue value: NSNumber) async throwsfunc writeAttributeWhitePointX(withValue value: NSNumber, completion: @escaping @Sendable ((any Error)?) -> Void)func writeAttributeWhitePointX(withValue value: NSNumber) async throws