{
                            "name": "backend",
                            "domains": [
                              "*"
                            ],
                            "routes": [
                              {
                                "match": {
                                  "prefix": "/healthz/ready"
                                },
                                "route": {

		if len(vs.Spec.Http) > 0 {
			fmt.Fprintf(writer, "%sWARNING: No destinations match pod subsets (checked %d HTTP routes)\n",
				printSpaces(initPrintNum+printLevel1), len(vs.Spec.Http))
		}
		if len(vs.Spec.Tcp) > 0 {
			fmt.Fprintf(writer, "%sWARNING: No destinations match pod subsets (checked %d TCP routes)\n",
				printSpaces(initPrintNum+printLevel1), len(vs.Spec.Tcp))
		}
		for _, mismatch := range mismatchNotes {

                            {
                              "name": "default",
                              "domains": [
                                "*"
                              ],
                              "routes": [
                                {
                                  "match": {
                                    "connect_matcher": {}
                                  },
                                  "route": {

                            {
                              "name": "default",
                              "domains": [
                                "*"
                              ],
                              "routes": [
                                {
                                  "match": {
                                    "connect_matcher": {}
                                  },
                                  "route": {

    assertThat(response.body.string()).isEqualTo("abc")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Note that although we have two routes available, we only use one. The retry is permitted
    // because there are routes available, but it chooses the existing connection since it isn't
    // yet considered unhealthy.
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
  }

   * all are provided (an empty list), the resulting Cartesian product has one element, an empty
   * list (counter-intuitive, but mathematically consistent).
   *
   * <p><i>Performance notes:</i> while the cartesian product of sets of size {@code m, n, p} is a
   * set of size {@code m x n x p}, its actual memory consumption is much smaller. When the

    @app.post(
        "/",
        response_model=List[Item],
        responses={404: {"model": List[Message]}},
        generate_unique_id_function=custom_generate_unique_id3,
        callbacks=callback_router.routes,
    )
    def post_root(item1: Item, item2: Item):
        return item1, item2  # pragma: nocover

    @app.post(
        "/tocallback",
        response_model=List[Item],

              },
              "expr": "sum(irate(pilot_xds_pushes{type=\"rds\"}[1m]))",
              "format": "time_series",
              "intervalFactor": 1,
              "legendFormat": "Routes",
              "refId": "E"
            },
            {
              "datasource": {
                "type": "prometheus",
                "uid": "${datasource}"
              },

 * Iterator}. Except as noted, each method has a corresponding {@link Iterable}-based method in the
 * {@link Iterables} class.
 *
 * <p><i>Performance notes:</i> Unless otherwise noted, all of the iterators produced in this class
 * are <i>lazy</i>, which means that they only advance the backing iteration when absolutely
 * necessary.
 *

    Preconditions.checkNotNull(callback);
    future.addListener(new CallbackListener<V>(future, callback), executor);
  }

  /** See {@link #addCallback(ListenableFuture, FutureCallback, Executor)} for behavioral notes. */
  private static final class CallbackListener<V extends @Nullable Object> implements Runnable {
    final Future<V> future;
    final FutureCallback<? super V> callback;