repeated MetricSpec metrics = 4;
}

// HorizontalPodAutoscalerStatus describes the current status of a horizontal pod autoscaler.
message HorizontalPodAutoscalerStatus {
  // observedGeneration is the most recent generation observed by this autoscaler.
  // +optional
  optional int64 observedGeneration = 1;

  // lastScaleTime is the last time the HorizontalPodAutoscaler scaled the number of pods,

   * {@code Future} is cancelled, it will attempt to cancel the other two, and if either of the
   * other two is cancelled, the returned {@code Future} will receive a callback in which it will
   * attempt to cancel itself.
   *
   * @param input The future to transform
   * @param function A function to transform the result of the input future to the result of the

          startupTimers.put(service, Stopwatch.createStarted());
        }
      } finally {
        monitor.leave();
      }
    }

    /**
     * Marks the {@link State} as ready to receive transitions. Returns true if no transitions have
     * been observed yet.
     */
    void markReady() {
      monitor.enter();
      try {
        if (!transitioned) {

          startupTimers.put(service, Stopwatch.createStarted());
        }
      } finally {
        monitor.leave();
      }
    }

    /**
     * Marks the {@link State} as ready to receive transitions. Returns true if no transitions have
     * been observed yet.
     */
    void markReady() {
      monitor.enter();
      try {
        if (!transitioned) {

<div class="termy">

```console
$ cd ~/code/prisoner-of-azkaban

$ python main.py

// Error importing sirius, it's not installed 😱
Traceback (most recent call last):
    File "main.py", line 1, in <module>
        import sirius
```

</div>

      addNetworkInterceptor(Interceptor { chain -> block(chain) })

    /**
     * Configure a single client scoped listener that will receive all analytic events for this
     * client.
     *
     * @see EventListener for semantics and restrictions on listener implementations.
     */
    fun eventListener(eventListener: EventListener) =
      apply {

     * {@code expectedValuesPerKey} is a good estimate.
     *
     * <p>This may be called more than once; each newly added key will use the most recent call to
     * {@link #expectedValuesPerKey} as its hint.
     *
     * @throws IllegalArgumentException if {@code expectedValuesPerKey} is negative
     * @since 33.3.0
     */
    @CanIgnoreReturnValue

  // +optional
  optional int32 targetCPUUtilizationPercentage = 4;
}

// current status of a horizontal pod autoscaler
message HorizontalPodAutoscalerStatus {
  // observedGeneration is the most recent generation observed by this autoscaler.
  // +optional
  optional int64 observedGeneration = 1;

  // lastScaleTime is the last time the HorizontalPodAutoscaler scaled the number of pods;

     * this to zero, the entry must be removed if it is a zombie.
     */
    internal var lockingSourceCount = 0

    /** The sequence number of the most recently committed edit to this entry. */
    internal var sequenceNumber: Long = 0

    init {
      // The names are repetitive so re-use the same builder to avoid allocations.

      updateIndex();
      /*
       * If the entry has been removed from the map, we return null, even though that might not be a
       * valid value. That's the best we can do, short of holding a reference to the most recently
       * seen value. And while we *could* do that, we aren't required to: Map.Entry explicitly says
       * that behavior is undefined when the backing map is modified through another API. (It even