* @param session The repository session to use for resolving the plugin artifacts, must not be {@code null}.
     * @return The dependency tree denoting the resolved plugin class path, never {@code null}.
     * @throws PluginResolutionException If any dependency could not be resolved.
     */
    DependencyNode resolve(
            Plugin plugin,

    <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven.git</developerConnection>
    <tag>maven-4.0.0-alpha-10</tag>
    <url>https://github.com/apache/maven/tree/${project.scm.tag}/${project.artifactId}</url>
  </scm>
  <issueManagement>
    <system>jira</system>
    <url>https://issues.apache.org/jira/browse/MNG</url>
  </issueManagement>
  <ciManagement>

        InternalSession.associate(rsession, session);

        List<ProjectBuildingResult> results = projectBuilder.build(
                Collections.singletonList(new File("src/test/resources/projects/tree/pom.xml")), true, request);

        assertEquals(3, results.size());
    }