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