readAttributeNullableInt56u(completionHandler:)
Declaration
func readAttributeNullableInt56u(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt56u() async throws -> NSNumberfunc readAttributeNullableInt56u(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt56u() async throws -> NSNumber