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