readAttributeWhitePointY(completion:)
Declaration
func readAttributeWhitePointY(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeWhitePointY() async throws -> NSNumberfunc readAttributeWhitePointY(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeWhitePointY() async throws -> NSNumber