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