if (map instanceof ImmutableBiMap) {
      @SuppressWarnings("unchecked") // safe since map is not writable
      ImmutableBiMap<K, V> bimap = (ImmutableBiMap<K, V>) map;
      // TODO(lowasser): if we need to make a copy of a BiMap because the
      // forward map is a view, don't make a copy of the non-view delegate map
      if (!bimap.isPartialView()) {
        return bimap;
      }
    }

 * source of bugs and confusion.
 *
 * <p><b>Note:</b> every {@link ImmutableMultimap} offers an {@link #inverse} view, so there is no
 * need for a distinct {@code ImmutableBiMultimap} type.
 *
 * <p><a id="iteration"></a>
 *
 * <p><b>Key-grouped iteration.</b> All view collections follow the same iteration order. In all

      }
      Java8Compatibility.clear(buf);
    }
    return total;
  }

  /** Max array length on JVM. */
  private static final int MAX_ARRAY_LEN = Integer.MAX_VALUE - 8;

  /** Large enough to never need to expand, given the geometric progression of buffer sizes. */
  private static final int TO_BYTE_ARRAY_DEQUE_SIZE = 20;

  /**

        MavenSession oldSession = legacySupport.getSession();

        scope.enter();

        try {
            scope.seed(MavenProject.class, project);
            scope.seed(MojoExecution.class, mojoExecution);
            scope.seed(
                    org.apache.maven.api.plugin.Log.class,
                    new DefaultLog(LoggerFactory.getLogger(

                // invalid version range, so drop back to resolution from the repository
                return null;
            }
        }

        //
        // Here we just need to know that a version is fine to use but this validation we can do in our workspace
        // resolver.
        //

        /*

     * ImmutableSortedSet#orderedBy}.
     */
    /*
     * TODO(cpovirk): use Object[] instead of E[] in the mainline? (The backport is different and
     * doesn't need this suppression, but we keep it to minimize diffs.) Generally be more clear
     * about when we have an Object[] vs. a Comparable[] or other array type in internalArray? If we

                executor);
    assertFinallyFailsWithException(closingFuture);
    waitUntilClosed(closingFuture);
    assertStillOpen(closeable1);
    assertClosed(closeable2, closeable3);
  }

  // We don't need to test the happy case for SuccessfulCombiner.call(Async) because it's the same
  // as Combiner.

  public void testWhenAllSucceed_call_failedInput() throws Exception {
    assertFinallyFailsWithException(

    }

    private void deepCopy(MavenProject project) {
        // disown the parent

        // copy fields
        file = project.file;
        basedir = project.basedir;

        // don't need a deep copy, they don't get modified or added/removed to/from - but make them unmodifiable to be
        // sure!
        if (project.getDependencyArtifacts() != null) {

    // The expressions help a lot, but we need a clean to pick up a directory of POMs, automatically load
    // them into a resolver, create the expression to extract the data to validate the Model, and the URI
    // to validate the properties. We also need a way to navigate from the Tex specification documents to

    assertEquals("bar", Iterables.getLast(iterable, "qux"));
  }

  /**
   * {@link ArrayList} extension that forbids the use of {@link Collection#iterator} for tests that
   * need to prove that it isn't called.
   */
  private static class DiesOnIteratorArrayList extends ArrayList<String> {
    /** @throws UnsupportedOperationException all the time */
    @Override