*
   * <p>Results are undefined if {@code set1} and {@code set2} are sets based on different
   * 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");

    assertTrue(set.containsAll(Sets.newTreeSet(asList("a", "b", "f"))));
    assertFalse(set.containsAll(Sets.newTreeSet(asList("d"))));
    assertFalse(set.containsAll(Sets.newTreeSet(asList("z"))));
    assertFalse(set.containsAll(Sets.newTreeSet(asList("b", "d"))));
    assertFalse(set.containsAll(Sets.newTreeSet(asList("f", "d", "a"))));
  }

    checkHashCode(cartesianProduct(set(1, num), set(2, num - 1)));
    checkHashCode(cartesianProduct(set(1, num), set(2, num - 1), set(3, num + 1)));

    // a bigger one
    checkHashCode(
        cartesianProduct(set(1, num, num + 1), set(2), set(3, num + 2), set(4, 5, 6, 7, 8)));
  }

  public void testPowerSetEmpty() {
    ImmutableSet<Integer> elements = ImmutableSet.of();

    Set<Integer> set2 = newHashSet(2, 3);
    Set<Integer> difference = difference(set1, set2);
    assertThat(difference).containsExactly(1);
    set1.add(0);
    assertThat(difference).containsExactly(0, 1);
    set2.remove(2);
    assertThat(difference).containsExactly(0, 1, 2);
  }

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

    Collections.addAll(set, elements);
    for (E element : set) {
      checkNotNull(element);
    }

    switch (set.size()) {
      case 0:
        return of();
      case 1:
        return new SingletonImmutableSet<E>(set.iterator().next());
      default:
        return new RegularImmutableSet<E>(set);
    }
  }

  @Override

     * This method sets the job executor and then calls the abstract execute method.
     *
     * @param jobExecutor the job executor to use for execution
     * @return the execution result message or summary
     */
    public String execute(final JobExecutor jobExecutor) {
        jobExecutor(jobExecutor);
        return execute();
    }

    /**
     * Sets the job executor for this job.
     *

            super();
        }

        /**
         * Sets the ID of the updated item.
         * @param id The ID to set.
         * @return This ApiUpdateResponse instance.
         */
        public ApiUpdateResponse id(final String id) {
            this.id = id;
            return this;
        }

        /**
         * Sets whether the item was created or updated.

   * the builder as documented on each method (except for the rarely used {@link #setThreadFactory},
   * which does not have an equivalent).
   */
  public ThreadFactoryBuilder() {}

  /**
   * Sets the naming format to use when naming threads ({@link Thread#setName}) which are created
   * with this ThreadFactory.
   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder#name(String, long)} instead. Note that

    return (Set<Entry<K, V>>) super.entries();
  }

  @Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  private final class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@Nullable Object o) {

     */
    public int getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this score booster.
     * @param priority The priority.
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**
     * Sets the request timeout.
     * @param bulkRequestTimeout The request timeout.
     */