readAttributeLineup(completionHandler:)
Declaration
func readAttributeLineup(completionHandler: @escaping @Sendable (MTRChannelClusterLineupInfo?, (any Error)?) -> Void)func readAttributeLineup() async throws -> MTRChannelClusterLineupInfofunc readAttributeLineup(completionHandler: @escaping @Sendable (MTRChannelClusterLineupInfo?, (any Error)?) -> Void)func readAttributeLineup() async throws -> MTRChannelClusterLineupInfo