PluginVersionResolutionException {
        return calculateExecutionPlan(session, true, tasks);
    }

    // Site 3.x
    public void calculateForkedExecutions(MojoExecution mojoExecution, MavenSession session)
            throws MojoNotFoundException, PluginNotFoundException, PluginResolutionException,

            pluginExecution.setId("default-" + goal);
            pluginExecution.addGoal(goal);
            plugin.addExecution(pluginExecution);
        }

        return plugin;
    }

    public void calculateForkedExecutions(MojoExecution mojoExecution, MavenSession session) {}

    public List<MavenProject> executeForkedExecutions(MojoExecution mojoExecution, MavenSession session) {
        return Collections.emptyList();
    }

                    PluginVersionResolutionException;

    void execute(MavenSession session);

    // used by the site plugin 3.x
    void calculateForkedExecutions(MojoExecution mojoExecution, MavenSession session)
            throws MojoNotFoundException, PluginNotFoundException, PluginResolutionException,