taskRunner.lock.withLock {
      check(currentTask == TestThreadSerialTask)
      nanoTime = newTime
      yieldUntil(ResumePriority.AfterOtherTasks)
    }
  }

  /** Confirm all tasks have completed. Used by the test thread only. */
  fun assertNoMoreTasks() {
    taskRunner.assertThreadDoesntHoldLock()

    taskRunner.lock.withLock {
      assertThat(activeThreads).isEqualTo(0)
    }

		prompt := fmt.Sprintf("This will install the Istio %s %q profile (with components: %s) into the cluster. Proceed? (y/N)",
			tag, profile, humanReadableJoin(enabledComponents))
		if !Confirm(prompt, stdOut) {
			p.Println("Cancelled.")
			os.Exit(1)
		}
	}

	iop.Name = savedIOPName(iop)

	// Detect whether previous installation exists prior to performing the installation.

          BinaryOperator<V> mergeFunction) {
    return CollectCollectors.toImmutableSortedMap(
        comparator, keyFunction, valueFunction, mergeFunction);
  }

  /*
   * TODO(kevinb): Confirm that ImmutableSortedMap is faster to construct and
   * uses less memory than TreeMap; then say so in the class Javadoc.
   */
  private static final Comparator<?> NATURAL_ORDER = Ordering.natural();

		}
		defPool = pinfo
		if !isErrObjectNotFound(pinfo.Err) {
			return pinfo, noReadQuorumPools, pinfo.Err
		}

		// No object exists or its a delete marker,
		// check objInfo to confirm.
		if pinfo.ObjInfo.DeleteMarker && pinfo.ObjInfo.Name != "" {
			return pinfo, noReadQuorumPools, nil
		}
	}
	if opts.ReplicationRequest && opts.DeleteMarker && defPool.Index >= 0 {

        *   `tf.nn.depthwise_conv2d` backprop to `filter` when not using cuDNN
            convolution
        *   `tf.image.resize` with `method=ResizeMethod.NEAREST` backprop
        *   `tf.math.bincount` - TODO: confirm exception added
        *   `tf.raw_ops.DebugNumericSummary` and
            `tf.raw_ops.DebugNumericSummaryV2`
        *   `tf.Variable.scatter_add` (and other scatter methods, both on ref