public final Object[] toArray() {
    return toArray(EMPTY_ARRAY);
  }

  @CanIgnoreReturnValue
  @Override
  /*
   * This suppression is here for two reasons:
   *
   * 1. b/192354773 in our checker affects toArray declarations.
   *
   * 2. `other[size] = null` is unsound. We could "fix" this by requiring callers to pass in an

     * use `get(key) ?: defaultValue` instead of this method, anyway.
     */
    V result = get(key);
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (result != null) {
      return result;
    } else {
      return defaultValue;
    }
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entrySet;

  /**

     * use `get(key) ?: defaultValue` instead of this method, anyway.
     */
    V result = get(key);
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (result != null) {
      return result;
    } else {
      return defaultValue;
    }
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entrySet;

- Update to use go1.12.12 ([#84064](https://github.com/kubernetes/kubernetes/pull/84064), [@cblecker](https://github.com/cblecker))
- Update to go 1.12.10 ([#83139](https://github.com/kubernetes/kubernetes/pull/83139), [@cblecker](https://github.com/cblecker))
- Update default etcd server version to 3.4.3 ([#84329](https://github.com/kubernetes/kubernetes/pull/84329), [@jingyih](https://github.com/jingyih))

* Update golang/x/net dependency to bring in fixes for CVE-2019-9512, CVE-2019-9514 ([#81522](https://github.com/kubernetes/kubernetes/pull/81522), [@cblecker](https://github.com/cblecker))
* Update to use go 1.12.8 ([#81390](https://github.com/kubernetes/kubernetes/pull/81390), [@cblecker](https://github.com/cblecker))
* Update to use go 1.12.9 ([#81489](https://github.com/kubernetes/kubernetes/pull/81489), [@BenTheElder](https://github.com/BenTheElder))

* Upgrade golang version to 1.7.6 ([#46405](https://github.com/kubernetes/kubernetes/pull/46405), [@cblecker](https://github.com/cblecker))

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    if (firstEntry == null || lastEntry == null) {
      /*
       * Either both are null or neither is: Either the set is empty, or it's not. But we check both
       * to make the nullness checker happy.
       */
      throw new NoSuchElementException();
    }
    return Range.create(firstEntry.getValue().lowerBound, lastEntry.getValue().upperBound);
  }

  @Override

        if (scheduleFailure != null) {
          service.notifyFailed(scheduleFailure);
        }
        return toReturn;
      }

      @GuardedBy("lock")
      /*
       * The GuardedBy checker warns us that we're not holding cancellationDelegate.lock. But in
       * fact we are holding it because it is the same as this.lock, which we know we are holding,

But at the same time, functions defined with `async def` have to be "awaited". So, functions with `async def` can only be called inside of functions defined with `async def` too.

So, about the egg and the chicken, how do you call the first `async` function?