assertEquals("b", cycle.next());
    }
  }

  public void testCycleOfTwoWithRemove() {
    Iterable<String> iterable = Lists.newArrayList("a", "b");
    Iterator<String> cycle = Iterators.cycle(iterable);
    assertTrue(cycle.hasNext());
    assertEquals("a", cycle.next());
    assertTrue(cycle.hasNext());
    assertEquals("b", cycle.next());
    assertTrue(cycle.hasNext());

         * the user calls remove().)
         */
        return iterator.hasNext() || iterable.iterator().hasNext();
      }

      @Override
      @ParametricNullness
      public T next() {
        if (!iterator.hasNext()) {
          iterator = iterable.iterator();
          if (!iterator.hasNext()) {
            throw new NoSuchElementException();
          }
        }

      assertEquals("b", cycle.next());
    }
  }

  public void testCycleOfTwoWithRemove() {
    Iterable<String> iterable = Lists.newArrayList("a", "b");
    Iterator<String> cycle = Iterators.cycle(iterable);
    assertTrue(cycle.hasNext());
    assertEquals("a", cycle.next());
    assertTrue(cycle.hasNext());
    assertEquals("b", cycle.next());
    assertTrue(cycle.hasNext());

          final Iterator<? extends E> itr2 = set2.iterator();

          @Override
          protected @Nullable E computeNext() {
            if (itr1.hasNext()) {
              return itr1.next();
            }
            while (itr2.hasNext()) {
              E e = itr2.next();
              if (!set1.contains(e)) {
                return e;
              }
            }
            return endOfData();

    set("b", "b1", "b2")
    set("c", "c1", "c2")
    val iterator = cache.snapshots()
    assertThat(iterator.hasNext()).isTrue()
    iterator.next().use {
      assertThat(it.key()).isEqualTo("a")
      it.assertValue(0, "a1")
      it.assertValue(1, "a2")
    }
    assertThat(iterator.hasNext()).isTrue()
    iterator.next().use {
      assertThat(it.key()).isEqualTo("b")
      it.assertValue(0, "b1")

        if (targetDomain != null) {
            targetDomain = targetDomain.toUpperCase(Locale.ROOT);
        }

        ListIterator<SmbSessionImpl> iter = this.sessions.listIterator();
        while (iter.hasNext()) {
            final SmbSessionImpl ssn = iter.next();
            if (ssn.matches(tf, targetHost, targetDomain)) {
                if (log.isTraceEnabled()) {

          return new Iterator<V>() {
            int i;

            @Override
            public boolean hasNext() {
              return (i == 0) && map.containsKey(key);
            }

            @Override
            @ParametricNullness
            public V next() {
              if (!hasNext()) {
                throw new NoSuchElementException();
              }
              i++;

          return new Iterator<V>() {
            int i;

            @Override
            public boolean hasNext() {
              return (i == 0) && map.containsKey(key);
            }

            @Override
            @ParametricNullness
            public V next() {
              if (!hasNext()) {
                throw new NoSuchElementException();
              }
              i++;

          // Skip stale entry.
          return false;
        }
      } finally {
        currentSegment.postReadCleanup();
      }
    }

    @Override
    public boolean hasNext() {
      return nextExternal != null;
    }

    WriteThroughEntry nextEntry() {
      if (nextExternal == null) {
        throw new NoSuchElementException();
      }