i want to be a <!--
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        this.session = session;
        this.mojoExecution = mojoExecution;
        this.properties = new Properties();
        this.project = session.getCurrentProject();

        //
        // Maven4: We may want to evaluate how this is used but we add these separate as the
        // getExecutionProperties is deprecated in MavenSession.
        //
        this.properties.putAll(session.getUserProperties());

        return getPhaseToLifecycleMap().get(phase);
    }

    /**
     * We use this to map all phases to the lifecycle that contains it. This is used so that a user can specify the
     * phase they want to execute and we can easily determine what lifecycle we need to run.
     *
     * @return A map of lifecycles, indexed on id
     */
    public Map<String, Lifecycle> getPhaseToLifecycleMap() {

main channel of communication for contributors.  
There are some guidelines which will make applying PRs easier for us:
+ Create a topic branch from where you want to base your work (this is usually the master branch).
  Push your changes to a topic branch in your fork of the repository.
+ Make commits of logical units.

        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }

    /**
     * Returns {@code true} if passed in artifact is originating from local repository. In other words, we want
     * to process and store tracking information ONLY into local repository, not to any other place. This method
     * filters out currently built artifacts, as events are fired for them as well, but their resolved artifact

            url = "file://" + url.substring("file:".length());
        }

        // So now we have an url of the form file://<path>

        // We want to eliminate any relative path nonsense and lock down the path so we
        // need to fully resolve it before any submodules use the path. This can happen

            This feature is only for enhancing the development in a local checkout of that project.
            Set the value to an empty string in case you want to disable the feature and always resolve
            the parent POM from the repositories.
          </description>
          <type>String</type>
          <defaultValue>..</defaultValue>
        </field>

// It would be cool if there was a hook that I could use to set up a test environment.
// I want to set up a local/remote repositories for testing but I don't want to have
// to change them when I change the layout of the repositories. So I want to generate
// the structure I want to test by using the artifact handler manager which dictates
// the layout used for a particular artifact type.

/**
 */

            configuration). This is useful when you want to force the user to use common POM elements rather than
            plugin configurations, as in the case where you want to use the artifact's final name as a parameter. In
            this case, you want the user to modify {@code <build><finalName/></build>} rather

     * on the command line.
     */
    private List<MavenProject> projects;

    /**
     * The full set of projects before any potential constraining by --projects. Useful in the case where you want to
     * build a smaller set of projects but perform other operations in the context of your reactor.
     */
    private List<MavenProject> allProjects;

    private MavenProject topLevelProject;