return Arrays.asList(A, B, C, X, Y, Z, UNKNOWN);
    }

    public List<MavenProject> getSortedProjects() {
        return Arrays.asList(A, B, C, X, Y, Z); // I'm not entirely sure about the order but this should do...
    }

    public List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive) {
        if (transitive) {
            throw new RuntimeException("Not implemented yet");

  <artifactId>child-2</artifactId>

  <name>Maven Integration Test :: MNG-3937</name>
  <description>
    Test that during inheritance/merging of a plugin execution the goals specified by child and parent are properly
    ordered.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-a</artifactId>
        <version>1.0-SNAPSHOT</version>

  <artifactId>parent</artifactId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-3925</name>
  <description>
    Test that plugin executions (in the same phase) are properly ordered after inheritance/merge with
    parent executions.
  </description>

  <build>
    <!-- This project does not use plugin management for the test plugin -->
    <plugins>
      <plugin>

    <version>0.1</version>
  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3925</name>
  <description>
    Test that plugin executions (in the same phase) are properly ordered after inheritance/merge with
    parent executions.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.MavenProject;

/**
 * <p>
 * A list of project segments, ordered so that all ProjectSegments from first TaskSegment come before any
 * subsequent TaskSegments.
 * </p>
 * <strong>Note:</strong> This interface is part of work in progress and can be changed or removed without notice.
 *

    }

    private void assertVersionOlder(String left, String right) {
        assertTrue(
                newArtifactVersion(left).compareTo(newArtifactVersion(right)) < 0,
                left + " should be older than " + right);
        assertTrue(
                newArtifactVersion(right).compareTo(newArtifactVersion(left)) > 0,
                right + " should be newer than " + left);
    }