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