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