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