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