* additional documentation, including:
 *
 * <ul>
 *   <li><a
 *       href="https://github.com/google/guava/wiki/GraphsExplained#equals-hashcode-and-graph-equivalence">
 *       {@code equals()}, {@code hashCode()}, and graph equivalence</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#synchronization">
 *       Synchronization policy</a>

  public void testEquals_self() {
    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  // Comparisons to null *are* defined.
  @SuppressWarnings("UndefinedEquals")
  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  // A collection should essentially never be equal to a non-collection.

        "multiset doesn't equal a multiset with the same elements",
        getMultiset().equals(HashMultiset.create(getSampleElements())));
  }

  public void testEquals_differentSize() {
    Multiset<E> other = HashMultiset.create(getSampleElements());
    other.add(e0());
    assertFalse("multiset equals a multiset with a different size", getMultiset().equals(other));
  }

  @CollectionSize.Require(absent = ZERO)

        "multiset doesn't equal a multiset with the same elements",
        getMultiset().equals(HashMultiset.create(getSampleElements())));
  }

  public void testEquals_differentSize() {
    Multiset<E> other = HashMultiset.create(getSampleElements());
    other.add(e0());
    assertFalse("multiset equals a multiset with a different size", getMultiset().equals(other));
  }

  @CollectionSize.Require(absent = ZERO)

     * @return The appropriate sort builder for the field.
     */
    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {
        if (QueryFieldConfig.SCORE_FIELD.equals(field) || QueryFieldConfig.DOC_SCORE_FIELD.equals(field)) {
            return SortBuilders.scoreSort().order(order);
        }
        return SortBuilders.fieldSort(field).order(order);
    }

    /**

    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new ActivationOS().equals(null));

        new ActivationOS().equals(new ActivationOS());
    }

    @Test
    void testEqualsIdentity() {
        ActivationOS thing = new ActivationOS();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {

    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new PluginConfiguration().equals(null));

        new PluginConfiguration().equals(new PluginConfiguration());
    }

    @Test
    void testEqualsIdentity() {
        PluginConfiguration thing = new PluginConfiguration();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test

    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new ReportPlugin().equals(null));

        new ReportPlugin().equals(new ReportPlugin());
    }

    @Test
    void testEqualsIdentity() {
        ReportPlugin thing = new ReportPlugin();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {

    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Reporting().equals(null));

        new Reporting().equals(new Reporting());
    }

    @Test
    void testEqualsIdentity() {
        Reporting thing = new Reporting();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {

                        && Objects.equals(dependencies, that.dependencies)
                        && Objects.equals(managedDependencies, that.managedDependencies)
                        && Objects.equals(pathScope, that.pathScope)
                        && Objects.equals(pathTypeFilter, that.pathTypeFilter)
                        && Objects.equals(targetVersion, that.targetVersion)
                        && Objects.equals(repositories, that.repositories);