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