}

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

        new Contributor().equals(new Contributor());
    }

    @Test
    void testEqualsIdentity() {
        Contributor thing = new Contributor();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Contributor().toString());

    }

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

        new Extension().equals(new Extension());
    }

    @Test
    void testEqualsIdentity() {
        Extension thing = new Extension();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Extension().toString());

    }

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

        new PluginContainer().equals(new PluginContainer());
    }

    @Test
    void testEqualsIdentity() {
        PluginContainer thing = new PluginContainer();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {

    }

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

        new Relocation().equals(new Relocation());
    }

    @Test
    void testEqualsIdentity() {
        Relocation thing = new Relocation();
        assertTrue(thing.equals(thing));
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Relocation().toString());

        IncludesArtifactFilter f2 = new IncludesArtifactFilter(patterns);

        assertTrue(f1.equals(f2));
        assertTrue(f2.equals(f1));
        assertTrue(f1.hashCode() == f2.hashCode());

        IncludesArtifactFilter f3 = new IncludesArtifactFilter(Arrays.asList("d", "c", "e"));
        assertTrue(f1.equals(f3));
        assertTrue(f1.hashCode() == f3.hashCode());
    }

      new Predicate<Entry<String, Integer>>() {
        @Override
        public boolean apply(Entry<String, Integer> entry) {
          return !"badkey".equals(entry.getKey()) && !((Integer) 55556).equals(entry.getValue());
        }
      };

  protected Multimap<String, Integer> create() {
    Multimap<String, Integer> unfiltered = HashMultimap.create();
    unfiltered.put("foo", 55556);

            // 2.0.X == 2-X == 2.0.0.X for any string x
            checkVersionsEqual("2-" + x, "2.0." + x); // previously ordered, now equals
            checkVersionsEqual("2-" + x, "2.0.0." + x); // previously ordered, now equals
            checkVersionsEqual("2.0." + x, "2.0.0." + x); // previously ordered, now equals
        }
    }

    @Test
    public void testMng7714() {

            }
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }
            DefaultVersion that = (DefaultVersion) o;
            return delegate.equals(that.delegate);
        }

        @Override

    }
  }

  static class SlowElement extends Element {
    SlowElement(int hash) {
      super(hash);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return slowItDown() != 1 && super.equals(obj);
    }

    @Override
    public int hashCode() {
      return slowItDown() + hash;
    }

    @Override
    public int compareTo(Element e) {

      new Predicate<Entry<String, Integer>>() {
        @Override
        public boolean apply(Entry<String, Integer> entry) {
          return !"badkey".equals(entry.getKey()) && !((Integer) 55556).equals(entry.getValue());
        }
      };

  protected Multimap<String, Integer> create() {
    Multimap<String, Integer> unfiltered = HashMultimap.create();
    unfiltered.put("foo", 55556);