}
    }

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testMessage = new TestServerMessageBlock2(mockConfig);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should create with configuration only")
        void testConstructorWithConfig() {

  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {
    this.iterableDelegate = checkNotNull(iterable);
  }

  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {
    this.iterableDelegate = checkNotNull(iterable);
  }

          "intersection is undefined for disconnected ranges %s and %s",
          this,
          connectedRange);

      // TODO(kevinb): all the precondition checks in the constructor are redundant...
      return create(newLower, newUpper);
    }
  }

  /**
   * Returns the maximal range lying between this range and {@code otherRange}, if such a range

   * parameters used to build this multimap.
   */
  @Override
  public ImmutableSet<V> get(K key) {
    // This cast is safe as its type is known in constructor.
    ImmutableSet<V> set = (ImmutableSet<V>) map.get(key);
    return MoreObjects.firstNonNull(set, emptySet);
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSetMultimap<V, K> inverse;

    return RegularImmutableBiMap.fromEntries(entries2);
  }

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */
  public static <K, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * Returns a new builder, expecting the specified number of entries to be added.
   *

   * Bloom filter. This approximation is reasonably accurate if it does not exceed the value of
   * {@code expectedInsertions} that was used when constructing the filter.
   *
   * @since 22.0
   */
  public long approximateElementCount() {
    long bitSize = bits.bitSize();
    long bitCount = bits.bitCount();

    /*

    return MapMakerInternalMap.create(maker);
  }

  private static MapMaker createMapMaker() {
    MapMaker maker = new MapMaker();
    maker.useCustomMap = true;
    return maker;
  }

  // constructor tests

  public void testDefaults() {
    MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(createMapMaker());

    assertThat(map.keyStrength()).isEqualTo(Strength.STRONG);

    return MapMakerInternalMap.create(maker);
  }

  private static MapMaker createMapMaker() {
    MapMaker maker = new MapMaker();
    maker.useCustomMap = true;
    return maker;
  }

  // constructor tests

  public void testDefaults() {
    MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(createMapMaker());

    assertThat(map.keyStrength()).isEqualTo(Strength.STRONG);

   * comparator has a more general type than the set being generated, such as creating a {@code
   * SortedSet<Integer>} with a {@code Comparator<Number>}, use the {@link Builder} constructor
   * instead.
   *
   * @throws NullPointerException if {@code comparator} is null
   */
  public static <E> Builder<E> orderedBy(Comparator<E> comparator) {
    return new Builder<>(comparator);
  }