final DefaultMavenExecutionResult defaultMavenExecutionResult = new DefaultMavenExecutionResult();
        MavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
        mavenExecutionRequest.setExecutionListener(new AbstractExecutionListener());
        mavenExecutionRequest.setGoals(Arrays.asList("clean"));
        final MavenSession session = new MavenSession(
                null,

        final DefaultMavenExecutionResult defaultMavenExecutionResult = new DefaultMavenExecutionResult();
        MavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
        mavenExecutionRequest.setExecutionListener(new AbstractExecutionListener());
        mavenExecutionRequest.setGoals(Arrays.asList("clean", "aggr", "install"));
        mavenExecutionRequest.setDegreeOfConcurrency(1);

        copy.setRepositoryCache(original.getRepositoryCache());
        copy.setWorkspaceReader(original.getWorkspaceReader());
        copy.setNoSnapshotUpdates(original.isNoSnapshotUpdates());
        copy.setExecutionListener(original.getExecutionListener());
        copy.setUseLegacyLocalRepository(original.isUseLegacyLocalRepository());
        copy.setBuilderId(original.getBuilderId());
        copy.setStartTime(original.getStartTime());

     * @since 3.3.0
     */
    MavenExecutionRequest setGlobalToolchainsFile(File globalToolchainsFile);

    ExecutionListener getExecutionListener();

    MavenExecutionRequest setExecutionListener(ExecutionListener executionListener);

    ProjectBuildingRequest getProjectBuildingRequest();

    /**
     * @since 3.1

        request.setPom(determinePom(commandLine, workingDirectory, baseDirectory));
        request.setTransferListener(determineTransferListener(quiet, verbose, commandLine, request));
        request.setExecutionListener(determineExecutionListener());

        if ((request.getPom() != null) && (request.getPom().getParentFile() != null)) {
            request.setBaseDirectory(request.getPom().getParentFile());
        }