collection.clear();
      totalSize -= count;
    }
  }

  private abstract class Itr<T extends @Nullable Object> implements Iterator<T> {
    final Iterator<Entry<K, Collection<V>>> keyIterator;
    @CheckForNull K key;
    @CheckForNull Collection<V> collection;
    Iterator<V> valueIterator;

    Itr() {
      keyIterator = map.entrySet().iterator();
      key = null;
      collection = null;

  //             Policy.setPolicy(permissivePolicy());
  //             System.setSecurityManager(new SecurityManager());
  //         }
  //         int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);

  //         Test s = suite();
  //         for (int i = 0; i < iters; ++i) {
  //             junit.textui.TestRunner.run(s);
  //             System.gc();
  //             System.runFinalization();
  //         }

    }
    List<?> list = (List<?>) o;
    if (list.size() != axes.size()) {
      return -1;
    }
    ListIterator<?> itr = list.listIterator();
    int computedIndex = 0;
    while (itr.hasNext()) {
      int axisIndex = itr.nextIndex();
      int elemIndex = axes.get(axisIndex).indexOf(itr.next());
      if (elemIndex == -1) {
        return -1;
      }
      computedIndex += elemIndex * axesSizeProduct[axisIndex + 1];

      @SuppressWarnings("unchecked") // it's definitely equal to a K
      K k = (K) key;
      List<V> result = Lists.newArrayList();
      Iterator<V> itr = collection.iterator();
      while (itr.hasNext()) {
        V v = itr.next();
        if (satisfies(k, v)) {
          itr.remove();
          result.add(v);
        }
      }
      if (result.isEmpty()) {
        return null;

    // Each group is a List of items, each item has a list of factory args.
    final List<List<List<Object>>> argGroups = Lists.newArrayList();
    argGroups.add(ImmutableList.of(args, equalArgs));
    EqualsTester tester =
        new EqualsTester(
            new ItemReporter() {
              @Override
              String reportItem(Item<?> item) {

    }

    @Override
    public boolean removeAll(final Collection<?> collection) {
      boolean changed = false;
      Iterator<E> itr = unfiltered.iterator();
      while (itr.hasNext()) {
        E e = itr.next();
        if (predicate.apply(e) && collection.contains(e)) {
          itr.remove();
          changed = true;
        }
      }
      return changed;
    }

    @Override

      Object[] failingParams = getParametersForSignature(false, sig);
      InvocationTargetException ite =
          assertThrows(
              InvocationTargetException.class,
              () -> checkArgumentMethod.invoke(null /* static method */, failingParams));
      assertFailureCause(ite.getCause(), IllegalArgumentException.class, failingParams);
    }
  }

  @GwtIncompatible("Reflection")

      } else {
        return ImmutableEnumSet.asImmutable(EnumSet.copyOf(collection));
      }
    } else {
      Iterator<E> itr = elements.iterator();
      if (itr.hasNext()) {
        EnumSet<E> enumSet = EnumSet.of(itr.next());
        Iterators.addAll(enumSet, itr);
        return ImmutableEnumSet.asImmutable(enumSet);
      } else {
        return ImmutableSet.of();
      }
    }
  }

  /**

    monitor.enter();
    try {
      return new Itr();
    } finally {
      monitor.leave();
    }
  }

  /** Iterator for MonitorBasedArrayBlockingQueue */
  private class Itr implements Iterator<E> {
    /** Index of element to be returned by next, or a negative number if no such. */
    private int nextIndex;

    /**

    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }

  public void testLeastOfIterator_simple_nMinusOne_withNullElement() {
    Iterator<@Nullable Integer> itr = Iterators.forArray(3, null, 5, -1);
    List<@Nullable Integer> result = Ordering.<Integer>natural().nullsLast().leastOf(itr, 3);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }