}
		// Once is set and we are here means error was already
		// printed once.
		if once {
			return
		}
		// once not set, check if same error occurred 3 times in
		// a row, then make sure we print it to call attention.
		if m[err.Error()] > 2 {
			peersLogAlwaysIf(ctx, fmt.Errorf("Following error has been printed %d times.. %w", m[err.Error()], err))
			// Reduce the count to introduce further delay in printing

       *
       * - after the requireNonNull call below. (And this object has its Runnable.run override
       *   called only once, just as it has its Executor.execute override called only once.)
       *
       * - if we return immediately from `execute` (in which case we never get here)
       *

    your response for more than 2 weeks.

**4. Approved**

-   Once the PR is approved, it gets `kokoro:force-run` label applied and it
    initiates CI/CD tests.
-   We can't move forward if these tests fail.
-   In such situations, we may request you to make further changes to your PR
    for the tests to pass.
-   Once the tests pass, we now bring all the code into the internal code base,

<p class="rule">
The completion of a single call of <code>f()</code> from <code>once.Do(f)</code>
is synchronized before the return of any call of <code>once.Do(f)</code>.
</p>

<p>
In this program:
</p>

<pre>
var a string
var once sync.Once

func setup() {
	a = "hello, world"
}

func doprint() {
	once.Do(setup)
	print(a)
}

func twoprint() {
	go doprint()

  }

  public void testExecutorOnlyCalledOnce() throws Exception {
    TestService service = new TestService();
    service.startAsync().awaitRunning();
    // It should be called once during startup.
    assertEquals(1, service.numberOfTimesExecutorCalled.get());
    for (int i = 1; i < 10; i++) {
      service.runFirstBarrier.await();
      assertEquals(i, service.numberOfTimesRunCalled.get());

org.apache.maven.plugin.coreit.DMojo java per-lookup once-per-session java Does nothing. false true false false false true generate-sources org.apache.maven.plugin.coreit.AMojo java per-lookup once-per-session models java.lang.String[] false true version java.lang.String false true ${version} generate-test-metadata Does nothing. test false true false false false true process-test-classes org.apache.maven.plugin.coreit.EMojo java per-lookup once-per-session it Does nothing. compile false true false...

    }
  }

  /**
   * Implementing classes should invoke this method once their service has stopped. It will cause
   * the service to transition from {@link State#STARTING} or {@link State#STOPPING} to {@link
   * State#TERMINATED}.
   *
   * @throws IllegalStateException if the service is not one of {@link State#STOPPING}, {@link
   *     State#STARTING}, or {@link State#RUNNING}.
   */

	assertPodAnnotated(t, client, pod)

	// Assert expected calls actually made
	fs.AssertExpectations(t)

	// unlabelling the namespace should cause only one RemovePodFromMesh to happen
	fs.On("RemovePodFromMesh",
		ctx,
		mock.Anything,
	).Once().Return(nil)

	// unlabel the namespace
	labelsPatch := []byte(fmt.Sprintf(`{"metadata":{"labels":{"%s":null}}}`,
		constants.DataplaneMode))

     * Returns a newly-created immutable map, using the last value for any key that was added more
     * than once. The iteration order of the returned map is the order in which entries were
     * inserted into the builder, unless {@link #orderEntriesByValue} was called, in which case
     * entries are sorted by value. If a key was added more than once, it appears in iteration order

  // ResourceHandles contain the state associated with an allocation that
  // should be maintained throughout the lifetime of a claim. Each
  // ResourceHandle contains data that should be passed to a specific kubelet
  // plugin once it lands on a node. This data is returned by the driver
  // after a successful allocation and is opaque to Kubernetes. Driver
  // documentation may explain to users how to interpret this data if needed.
  //