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