model.setBuild(null);
        assertNull(model.getBuild());
    }

    @Test
    void testEqualsNullSafe() {
        assertNotEquals(null, new Model());

        new Model().equals(new Model());
    }

    @Test
    void testEqualsIdentity() {
        Model thing = new Model();
        assertEquals(thing, thing);
    }

    @Test
    void testToStringNullSafe() {

                || rawChildModelVersion.equals("${pom.parent.version}")
                || rawChildModelVersion.equals("${project.parent.version}");
    }

    private ModelSource getParentPomFile(Model childModel, ModelSource source) {
        if (!(source instanceof ModelSource2)) {
            return null;
        }

        String parentPath = childModel.getParent().getRelativePath();

            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
                    + " Scope: " + artifact.getScope());
            assertTrue(
                    artifact.getVersion().equals("1.0"), "Incorrect version for " + artifact.getDependencyConflictId());
        }
    }

    protected String doBackward(T enumValue) {
      return enumValue.name();
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof StringConverter) {
        StringConverter<?> that = (StringConverter<?>) obj;
        return this.enumClass.equals(that.enumClass);
      }
      return false;
    }

    @Override
    public int hashCode() {

  }

  @Override
  public String toString() {
    assertTrue(Thread.holdsLock(mutex));
    return super.toString();
  }

  @Override
  public boolean equals(@Nullable Object o) {
    assertTrue(Thread.holdsLock(mutex));
    return super.equals(o);
  }

  @Override
  public int hashCode() {
    assertTrue(Thread.holdsLock(mutex));
    return super.hashCode();
  }

  @Override

   * identically. However, as code migrates to {@code java.util.function}, that behavior will
   * disappear. It is best not to depend on it.
   */
  @Override
  boolean equals(@Nullable Object object);

  static final class Impl implements One, Two, Three, Four, Five, Serializable {
    final int value;

    Impl(int value) {
      this.value = value;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return obj instanceof Impl && value == ((Impl) obj).value;
    }

    @Override
    public int hashCode() {
      return value;
    }

    @Override

    // requireNonNull is safe because we guarantee that the first `size` elements are non-null.
    return (E) requireNonNull(array[index]);
  }

  // TODO(lowasser): benchmark optimizations for equals() and see if they're worthwhile

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible
  @GwtIncompatible
    Object writeReplace() {

                if (getParamValue(localParams, "event.create", "create").equals(eventType)
                        || getParamValue(localParams, "event.modify", "modify").equals(eventType)) {
                    // updated file
                    addDocument(localParams, dataMap);
                } else if (getParamValue(localParams, "event.delete", "delete").equals(eventType)) {
                    // deleted file

  public boolean isEmpty() {
    return delegate.isEmpty();
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ImmutableEnumSet) {
      object = ((ImmutableEnumSet<?>) object).delegate;
    }
    return delegate.equals(object);
  }

  @Override
  boolean isHashCodeFast() {
    return true;
  }