lifecycleDebugLogger.debugProjectPlan(project, executionPlan);

        if (session.getRequest().getDegreeOfConcurrency() > 1
                && session.getProjects().size() > 1) {
            final Set<Plugin> unsafePlugins = executionPlan.getNonThreadSafePlugins();
            if (!unsafePlugins.isEmpty()) {

        infoLine('-');

        long finish = System.currentTimeMillis();

        long time = finish - session.getRequest().getStartTime().getTime();

        String wallClock = session.getRequest().getDegreeOfConcurrency() > 1 ? " (Wall Clock)" : "";

        logger.info("Total time:  {}{}", formatDuration(time), wallClock);

        logger.info("Finished at: {}", formatTimestamp(finish));
    }

    @Override

        Instant finish = MonotonicClock.now();

        Duration time = Duration.between(session.getRequest().getStartInstant(), finish);

        String wallClock = session.getRequest().getDegreeOfConcurrency() > 1 ? " (Wall Clock)" : "";

        logger.info("Total time:  {}{}", formatDuration(time), wallClock);

        ZonedDateTime rounded = finish.truncatedTo(ChronoUnit.SECONDS).atZone(ZoneId.systemDefault());

        } else {
            return new NoLock();
        }
    }

    protected boolean useProjectLock(MavenSession session) {
        return session.getRequest().getDegreeOfConcurrency() > 1;
    }

    private void doExecute2(MavenSession session, MojoExecution mojoExecution) throws LifecycleExecutionException {
        eventCatapult.fire(ExecutionEvent.Type.MojoStarted, session, mojoExecution);

     *
     * @param degreeOfConcurrency
     */
    void setDegreeOfConcurrency(int degreeOfConcurrency);

    /**
     * @return the degree of concurrency for the build.
     */
    int getDegreeOfConcurrency();

    // Recursive (really to just process the top-level POM)
    MavenExecutionRequest setRecursive(boolean recursive);

    boolean isRecursive();

    MavenExecutionRequest setPom(File pom);

    }

    @Override
    public void setDegreeOfConcurrency(final int degreeOfConcurrency) {
        this.degreeOfConcurrency = degreeOfConcurrency;
    }

    @Override
    public int getDegreeOfConcurrency() {
        return degreeOfConcurrency;
    }

    @Override
    public WorkspaceReader getWorkspaceReader() {
        return workspaceReader;
    }

    @Override

    /**
     * Returns the degree of concurrency for the build.
     *
     * @return  the degree of concurrency
     */
    int getDegreeOfConcurrency();

    /**
     * Retrieves a list of projects associated with the session.
     *
     * @return a list of projects, never {@code null}
     */
    @Nonnull
    List<Project> getProjects();