protected void setUp() throws Exception {
        file1 = File.createTempFile("kuromoji_", ".txt");
        FileUtil.write(
                file1.getAbsolutePath(),
                "token1,seg1,reading1,pos1\ntoken2,seg2,reading2,pos2\ntoken3,seg3,reading3,pos3"
                        .getBytes(Constants.UTF_8));
    }

    @Override
        protected void tearDown(TestInfo testInfo) throws Exception {
        file1.delete();
    }

    Set<Integer> set2 = newHashSet(2, 3);
    Set<Integer> intersection = intersection(set1, set2);
    assertThat(intersection).containsExactly(2);
    set1.add(3);
    assertThat(intersection).containsExactly(2, 3);
    set2.add(1);
    assertThat(intersection).containsExactly(1, 2, 3);
  }

  public void testDifference_isView() {
    Set<Integer> set1 = newHashSet(1, 2);
    Set<Integer> set2 = newHashSet(2, 3);

   * equivalence relations, for example if {@code set1} is a {@link HashSet} and {@code set2} is a
   * {@link TreeSet} or the {@link Map#keySet} of an {@code IdentityHashMap}.
   */
  public static <E extends @Nullable Object> SetView<E> difference(Set<E> set1, Set<?> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

    return new SetView<E>() {

     *
     * @throws NullPointerException if {@code seg} is {@code null}.
     */
    @Nonnull
    public Path resolve(String seg) {
        requireNonNull(seg, "seg");
        return directory.resolve(seg).normalize();
    }

    /**
     * Changes current cwd, if the new path is existing directory.
     *
     * @throws NullPointerException if {@code seg} is {@code null}.

        long seq1 = registration.getNextSequenceNumber();
        long seq2 = registration.getNextSequenceNumber();
        long seq3 = registration.getNextSequenceNumber();

        assertEquals(1, seq1);
        assertEquals(2, seq2);
        assertEquals(3, seq3);
        assertTrue(seq2 > seq1);
        assertTrue(seq3 > seq2);
    }

    @Test
    void testHeartbeatUpdate() throws InterruptedException {

        String reg2 = mockService.registerWitness("\\\\server2\\share2", "192.168.1.101", 1);
        String reg3 = mockService.registerWitness("\\\\server3\\share3", "192.168.1.102", 1);

        assertEquals(3, mockService.getRegistrationCount());
        assertTrue(mockService.hasRegistration(reg1));
        assertTrue(mockService.hasRegistration(reg2));
        assertTrue(mockService.hasRegistration(reg3));

      Set<? extends E> set1, Set<? extends E> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

    return new SetView<E>() {
      @Override
      public int size() {
        int size = set1.size();
        for (E e : set2) {
          if (!set1.contains(e)) {
            size++;
          }
        }
        return size;
      }

pkg iter, func Pull2[$0 interface{}, $1 interface{}](Seq2[$0, $1]) (func() ($0, $1, bool), func()) #61897
pkg iter, func Pull[$0 interface{}](Seq[$0]) (func() ($0, bool), func()) #61897
pkg iter, type Seq2[$0 interface{}, $1 interface{}] func(func($0, $1) bool) #61897
pkg iter, type Seq[$0 interface{}] func(func($0) bool) #61897
pkg maps, func All[$0 interface{ ~map[$1]$2 }, $1 comparable, $2 interface{}]($0) iter.Seq2[$1, $2] #61900

              }
            });
  }

  public void testEquals() {
    Set<String> set1 = ImmutableSet.of("one");
    Set<String> set2 = ImmutableSet.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> Set<T> wrap(Set<T> delegate) {
    return new ForwardingSet<T>() {
      @Override

  }

  public void testEquals() {
    SortedMultiset<String> set1 = ImmutableSortedMultiset.of("one");
    SortedMultiset<String> set2 = ImmutableSortedMultiset.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> SortedMultiset<T> wrap(SortedMultiset<T> delegate) {