}

    /**
     * Returns the project corresponding to a declared parent.
     *
     * @return the parent, or null if no parent is declared or there was an error building it
     */
    public MavenProject getParent() {
        return parent;
    }

    public void setParent(MavenProject parent) {
        this.parent = parent;
    }

    public boolean hasParent() {

  <groupId>org.apache.maven.its.mng3979</groupId>
  <artifactId>parent</artifactId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-3979</name>
  <description>
    Test that during inheritance the merging/joining of subtrees with equal identifier doesn't crash if the parent
    POM has a non-empty element and the child POM has an empty element to join.
  </description>

        }

        return resolvedOptionalProjects;
    }

    private List<MavenProject> getChildProjects(MavenProject parent, MavenExecutionRequest request) {
        final List<MavenProject> children = parent.getCollectedProjects();
        if (children != null && request.isRecursive()) {
            return children;
        } else {
            return new ArrayList<>();
        }

        MavenProject project1 = getProject(pom1);

        System.out.println("\n\n");
        System.out.println("Parent SCM URL is: " + project0.getScm().getUrl());
        System.out.println("Child SCM URL is: " + project1.getScm().getUrl());
        System.out.println();
        System.out.println("Parent SCM connection is: " + project0.getScm().getConnection());

  <parent>
    <artifactId>plexus</artifactId>
    <groupId>org.codehaus.plexus</groupId>
    <version>1.0.10</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.codehaus.plexus</groupId>
  <artifactId>plexus-classworlds</artifactId>
  <packaging>jar</packaging>

        <!-- Parent Model                                                           -->
        <!-- ====================================================================== -->

        <field xdoc.separator="blank">
          <name>parent</name>
          <version>4.0.0+</version>
          <description>The location of the parent project, if one exists. Values from the parent

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api</artifactId>
  <packaging>pom</packaging>
  <name>Maven 4 API</name>

        depth = 0;
        parents = Collections.emptyList();
        parent = null;
    }

    public ResolutionNode(Artifact artifact, List<ArtifactRepository> remoteRepositories, ResolutionNode parent) {
        this.artifact = artifact;
        this.remoteRepositories = remoteRepositories;
        depth = parent.depth + 1;
        parents = new ArrayList<>();
        parents.addAll(parent.parents);

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>parent</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
  </versioning>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>parent</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
  </versioning>