readAttributeNullableInt56s(completionHandler:)
Declaration
func readAttributeNullableInt56s(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt56s() async throws -> NSNumberfunc readAttributeNullableInt56s(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt56s() async throws -> NSNumber