default void add(ModelProblem problem) {
        getProblemCollector().reportProblem(problem);
    }

    ModelBuilderException newModelBuilderException();

    void setSource(String location);

    void setSource(Model model);

    String getSource();

    void setRootModel(Model model);

    Model getRootModel();

    //
    // Retriever
    //
    void getArtifact(Artifact artifact, ArtifactRepository repository, TransferListener transferListener, boolean force)
            throws TransferFailedException, ResourceDoesNotExistException;

    void getArtifact(
            Artifact artifact,
            List<ArtifactRepository> remoteRepositories,

    @Override
    public void assembleModelInheritance(Model child, Model parent, String childPathAdjustment) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void assembleModelInheritance(Model child, Model parent) {
        throw new UnsupportedOperationException();
    }

    @Override

 *
 */
class PrerequisitesTest {

    @Test
    void testHashCodeNullSafe() {
        new Prerequisites().hashCode();
    }

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

        new Prerequisites().equals(new Prerequisites());
    }

    @Test
    void testEqualsIdentity() {
        Prerequisites thing = new Prerequisites();

/**
 * Tests {@code Site}.
 *
 */
class SiteTest {

    @Test
    void testHashCodeNullSafe() {
        new Site().hashCode();
    }

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

        new Site().equals(new Site());
    }

    @Test
    void testEqualsIdentity() {
        Site thing = new Site();

 *
 */
class ActivationPropertyTest {

    @Test
    void testHashCodeNullSafe() {
        new ActivationProperty().hashCode();
    }

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

        new ActivationProperty().equals(new ActivationProperty());
    }

    @Test
    void testEqualsIdentity() {

/**
 * Tests {@code Developer}.
 *
 */
class DeveloperTest {

    @Test
    void testHashCodeNullSafe() {
        new Developer().hashCode();
    }

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

        new Developer().equals(new Developer());
    }

    @Test
    void testEqualsIdentity() {
        Developer thing = new Developer();

/**
 * Tests {@code Parent}.
 *
 */
class ParentTest {

    @Test
    void testHashCodeNullSafe() {
        new Parent().hashCode();
    }

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

        new Parent().equals(new Parent());
    }

    @Test
    void testEqualsIdentity() {
        Parent thing = new Parent();

  }

  // Unconditional setCount no-ops.

  private void assertZeroToZero() {
    assertSetCount(e3(), 0);
  }

  private void assertOneToOne() {
    assertSetCount(e0(), 1);
  }

  private void assertThreeToThree() {
    initThreeCopies();
    assertSetCount(e0(), 3);
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_zeroToZero_addSupported() {
    assertZeroToZero();

    public void setId_Equal(String id) {
        setId_Term(id, null);
    }

    public void setId_Equal(String id, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setId_Term(id, opLambda);
    }

    public void setId_Term(String id) {
        setId_Term(id, null);
    }

    public void setId_Term(String id, ConditionOptionCall<TermQueryBuilder> opLambda) {