* is by declaring that step to be the last step of the pipeline. Nevertheless, we refer to the
 * "value" of a successful step or the "result" (value or exception) of any step.
 *
 * <ol>
 *   <li>A pipeline starts at its leaf step (or steps), which is created from either a callable
 *       block or a {@link ListenableFuture}.

  private static final ImmutableSet<String> TOP_UNDER_REGISTRY_SUFFIX =
      ImmutableSet.of("google.com", "foo.Co.uk", "foo.ca.us.");

  private static final ImmutableSet<String> TOP_PRIVATE_DOMAIN =
      ImmutableSet.of("google.com", "foo.Co.uk", "foo.ca.us.", "foo.blogspot.com");

  private static final ImmutableSet<String> UNDER_TOP_UNDER_REGISTRY_SUFFIX =

        b = entries.get(1);
        c = entries.get(2);
      }
    }
  }

  /** Resets the contents of navigableMap to have entries a, c, for the navigation tests. */
  @SuppressWarnings("unchecked") // Needed to stop Eclipse whining
  private void resetWithHole() {
    Entry<K, V>[] entries = (Entry<K, V>[]) new Entry<?, ?>[] {a, c};
    super.resetMap(entries);
    navigableMap = (NavigableMap<K, V>) getMap();
  }

                  }
                }),
            executor);

    // Pause in step 2.
    step2Waiter.awaitStarted();

    // Everything should still be open.
    assertStillOpen(closeable1, closeable2, closeable3, closeable4);

    // Cancel step 3, resume step 2, and pause in step 4.
    assertWithMessage("step3.cancel()").that(step3.cancel(false)).isTrue();
    step2Waiter.awaitReturned();

                  }
                }),
            executor);

    // Pause in step 2.
    step2Waiter.awaitStarted();

    // Everything should still be open.
    assertStillOpen(closeable1, closeable2, closeable3, closeable4);

    // Cancel step 3, resume step 2, and pause in step 4.
    assertWithMessage("step3.cancel()").that(step3.cancel(false)).isTrue();
    step2Waiter.awaitReturned();

      @Override
      public Integer apply(Integer from) {
        if (++calls > 1) {
          fail();
        }
        throw new MyError();
      }
    };
  }

  // TODO(cpovirk): top-level class?
  static class ExecutorSpy implements Executor {

    Executor delegate;
    boolean wasExecuted;

    public ExecutorSpy(Executor delegate) {
      this.delegate = delegate;
    }

    if (result == null) {
      globalStatsCounter.recordLoadException(stopwatch.elapsed(NANOSECONDS));
      throw new InvalidCacheLoadException(loader + " returned null map from loadAll");
    }

    stopwatch.stop();
    // TODO(fry): batch by segment
    boolean nullsPresent = false;
    for (Entry<K, V> entry : result.entrySet()) {
      K key = entry.getKey();
      V value = entry.getValue();

     * parts other than the last may begin with a digit (for example, "3com.com"). It's important to
     * disallow an initial digit in the last part; it's the only thing that stops an IPv4 numeric
     * address like 127.0.0.1 from looking like a valid domain name.
     */

    if (isFinalPart && DIGIT_MATCHER.matches(part.charAt(0))) {
      return false;
    }

    return true;

    this.containsZero = containsZero;
  }

  private static final int C1 = 0xcc9e2d51;
  private static final int C2 = 0x1b873593;

  /*
   * This method was rewritten in Java from an intermediate step of the Murmur hash function in
   * http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp, which contained the
   * following header:
   *

    int count = 0;
    while (contains(iterator, element)) {
      // Since it lives in the same class, we know contains gets to the element and then stops,
      // though that isn't currently publicly documented.
      count++;
    }
    return count;
  }

  /**
   * Returns an iterator that cycles indefinitely over the elements of {@code iterable}.