OrArtifactFilter filter2 = new OrArtifactFilter(Arrays.asList(newSubFilter()));

        assertFalse(filter1.equals(null));
        assertTrue(filter1.equals(filter1));
        assertEquals(filter1.hashCode(), filter1.hashCode());

        assertFalse(filter1.equals(filter2));
        assertFalse(filter2.equals(filter1));
    }

    }

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

        new IssueManagement().equals(new IssueManagement());
    }

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

    @Test
    void testToStringNullSafe() {

        ModelBuildingResult result = builder.build(request);
        Dependency dep = result.getEffectiveModel().getDelegate().getDependencyManagement().getDependencies().stream()
                .filter(d -> "test:mydep:jar".equals(d.getManagementKey()))
                .findFirst()
                .get();
        assertEquals("0.2", dep.getVersion());
        assertEquals(0, result.getProblems().size());
    }

    /**

   * (pointing to the next entry in the linked list). The pointers in [size(), entries.length) are
   * all "null" (UNSET).
   *
   * <p>A node with "prev" pointer equal to {@code ENDPOINT} is the first node in the linked list,
   * and a node with "next" pointer equal to {@code ENDPOINT} is the last node.
   */
  @CheckForNull @VisibleForTesting transient long[] links;

    private AuthScheme getAuthScheme() {
        final String scheme = getProtocolScheme();
        if (Constants.BASIC.equals(scheme)) {
            return new BasicScheme();
        }
        if (Constants.DIGEST.equals(scheme)) {
            return new DigestScheme();
        }
        if (Constants.NTLM.equals(scheme)) {
            final Properties props = new Properties();

        } else if (Artifact.SCOPE_COMPILE.equals(originalScope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile scope. Remove if you want compile inherited as runtime
            effectiveScope = Artifact.SCOPE_COMPILE;
        } else if (Artifact.SCOPE_TEST.equals(inheritedScope)) {
            effectiveScope = Artifact.SCOPE_TEST;
        } else if (Artifact.SCOPE_PROVIDED.equals(inheritedScope)) {

            }
            pos = metaDataRepository.get(candidateClassName);
        }

        String outerClassName = classMetaData.getOuterClassName();
        while (outerClassName != null) {
            if (name.equals(StringUtils.substringAfterLast(outerClassName, "."))) {
                return outerClassName;
            }
            ClassMetaData outerClass = metaDataRepository.get(outerClassName);

        return hash;
    }

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

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

        ExclusionSetFilter other = (ExclusionSetFilter) obj;

        return excludes.equals(other.excludes);
    }

    suite.addTest(testsForTransform());
    suite.addTestSuite(Collections2Test.class);
    return suite;
  }

  static final Predicate<@Nullable String> NOT_YYY_ZZZ =
      input -> !"yyy".equals(input) && !"zzz".equals(input);

  static final Predicate<String> LENGTH_1 = input -> input.length() == 1;

  @J2ktIncompatible
  @GwtIncompatible // suite
  private static Test testsForFilter() {

      if (!endpointPair.isOrdered()) {
        return false;
      }

      Object source = endpointPair.source();
      Object target = endpointPair.target();
      return (node.equals(source) && graph.successors(node).contains(target))
          || (node.equals(target) && graph.predecessors(node).contains(source));
    } else {
      if (endpointPair.isOrdered()) {
        return false;
      }