TransportSet implements WithLogId { @Override public String getLogId() { return GrpcUtil.getLogId(this); } TransportSet(EquivalentAddressGroup addressGroup, String authority,
      LoadBalancer<ClientTransport> loadBalancer, BackoffPolicy.Provider backoffPolicyProvider,
      ClientTransportFactory transportFactory, ScheduledExecutorService scheduledExecutor,
      Executor appExecutor, Callback callback); @VisibleForTesting  TransportSet(EquivalentAddressGroup addressGroup, String authority,
      LoadBalancer<ClientTransport> loadBalancer, BackoffPolicy.Provider backoffPolicyProvider,
      ClientTransportFactory transportFactory, ScheduledExecutorService scheduledExecutor,
      Executor appExecutor, Callback callback, Stopwatch backoffWatch); @Override String getLogId();  }
@Test public void logId() { createTransportSet(mock(SocketAddress.class)); assertEquals("TransportSet@" + Integer.toHexString(transportSet.hashCode()), transportSet.getLogId()); }