@Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }

            if (!(obj instanceof CacheKey)) {
                return false;
            }

            CacheKey that = (CacheKey) obj;

            return artifactId.equals(that.artifactId) && groupId.equals(that.groupId) && version.equals(that.version);
        }

        @Override

   */
  protected boolean standardIsEmpty() {
    return !entrySet().iterator().hasNext();
  }

  /**
   * A sensible definition of {@link #equals} in terms of the {@code equals} method of {@link
   * #entrySet}. If you override {@link #entrySet}, you may wish to override {@link #equals} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardEquals(@Nullable Object object) {

    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        DefaultArtifact that = (DefaultArtifact) o;
        return Objects.equals(groupId, that.groupId)
                && Objects.equals(artifactId, that.artifactId)

            if (other.value1 != null) {
                return false;
            }
        } else if (!value1.equals(other.value1)) {
            return false;
        }
        if (value2 == null) {
            if (other.value2 != null) {
                return false;
            }
        } else if (!value2.equals(other.value2)) {
            return false;
        }
        if (value3 == null) {

    }

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

        new Dependency().equals(new Dependency());
    }

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

    @Test
    void testToStringNullSafe() {

    }

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

        new DistributionManagement().equals(new DistributionManagement());
    }

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

    @Test

    }

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

        new Exclusion().equals(new Exclusion());
    }

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

    @Test
    void testToStringNullSafe() {

        new Plugin().hashCode();
    }

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

        new Plugin().equals(new Plugin());
    }

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

    @Test
    void testToStringNullSafe() {

        new Profile().hashCode();
    }

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

        new Profile().equals(new Profile());
    }

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

    @Test
    void testToStringNullSafe() {

    }

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

        new RepositoryPolicy().equals(new RepositoryPolicy());
    }

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

    @Test
    void testToStringNullSafe() {