*/
    @Nonnull
    String goal() default "";

    /**
     * Lifecycle id of the lifecycle that defines {@link #phase()}. Only valid in combination with {@link #phase()}. If
     * not specified, Maven will use the lifecycle of the current build.
     *
     * @see <a href="https://maven.apache.org/maven-plugin-api/lifecycle-mappings.html">Lifecycle Mappings</a>
     * @return the lifecycle id
     */
    @Nonnull

     * properties.
     * @return property name
     */
    @Nonnull
    String property() default "";

    /**
     * parameter default value, may contain <code>${...}</code> expressions which will be interpreted at
     * inject time: see
     * <a href="/ref/current/maven-core/apidocs/org/apache/maven/plugin/PluginParameterExpressionEvaluator.html">
     * PluginParameterExpressionEvaluator</a>.

     * constructed. Model identifiers have the form {@code <groupId>:<artifactId>:<version>}. The first identifier from
     * the list denotes the model on which the model builder was originally invoked. The last identifier will always be
     * an empty string that by definition denotes the super POM.
     *
     * @return The model identifiers from the lineage of models, never {@code null}.
     */
    @Nonnull
    List<String> getModelIds();

            if (request.isResolveRoot()) {
                result.addArtifact(rootArtifact);
            }
            return result;
        }

        // After the collection we will have the artifact object in the result but they will not be resolved yet.
        result = artifactCollector.collect(
                artifacts, rootArtifact, managedVersions, collectionRequest, source, collectionFilter, listeners, null);

     * then the path type is determined by checking if the dependency is modular.</p>
     *
     * @param types types of path where a dependency can be placed
     * @param filter filter the paths accepted by the tool which will consume the path
     * @param path path to the JAR file or output directory of the dependency
     * @return where to place the dependency, or an empty value if the placement cannot be determined

        //
        // Note that participants may affect the topological order of the projects but it is
        // not expected that a participant will add or remove projects from the session.
        //

        graphResult = buildGraph(session);

        if (graphResult.hasErrors()) {
            return addExceptionToResult(

        // Set up needed mocks
        when(session.getRequest()).thenReturn(mavenExecutionRequest);
        when(session.getProjects()).thenReturn(null); // needed, otherwise it will be an empty list by default
        when(mavenExecutionRequest.getProjectBuildingRequest()).thenReturn(mock(ProjectBuildingRequest.class));
        List<ProjectBuildingResult> projectBuildingResults =

                    // on Windows, need a short path or we hit 256 character limit for paths
                    // using EXECUTOR_NUMBER guarantees that concurrent builds on same agent
                    // will not trample each other plus workaround for JENKINS-52657
                    dir(isUnix() ? 'test' : "c:\\mvn-it-${EXECUTOR_NUMBER}.tmp") {
                        def WORK_DIR=pwd()

 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *
 * The default implementation will look for a {@code .mvn} child directory
 * or a {@code pom.xml} containing the {@code root="true"} attribute.
 */
public interface RootLocator {

     * The path identified by the Java {@code --class-path} option.
     * Used for compilation, execution and Javadoc among others.
     *
     * <p><b>Context-sensitive interpretation:</b>
     * A dependency with this path type will not necessarily be placed on the class-path.
     * There are two circumstances where the dependency may nevertheless be placed somewhere else:
     * </p>
     * <ul>