case MojoStarted:
                String phase = event.getMojoExecution().getLifecyclePhase();
                if (phase != null) {
                    Deque<String> phases = getLifecycles(project);
                    if (!Objects.equals(phase, phases.peekLast())) {
                        phases.addLast(phase);
                        if ("clean".equals(phase)) {
                            cleanProjectLocalRepository(project);

            throw new LifecycleNotFoundException(forkedLifecycle);
        }

        for (Phase phase : lifecycleOverlay.getPhases()) {
            List<MojoExecution> forkedExecutions = lifecycleMappings.get(phase.getId());

            if (forkedExecutions != null) {
                for (Execution execution : phase.getExecutions()) {
                    for (String goal : execution.getGoals()) {

        <executions>
          <execution>
            <id>plugin</id>
            <goals>
              <goal>velocity</goal>
            </goals>
            <phase>generate-sources</phase>
            <configuration>
              <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
              <version>1.2.0</version>
              <models>

            <expression>project/distributionManagement/site/url</expression>
          </expressions>
        </configuration>
        <executions>
          <execution>
            <id>test</id>
            <phase>validate</phase>
            <goals>
              <goal>eval</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

                    String phase = goalsForLifecyclePhase.getKey();
                    LifecyclePhase goals = goalsForLifecyclePhase.getValue();
                    if (goals != null) {
                        parseLifecyclePhaseDefinitions(plugins, phase, goals);
                    }
                }
            }
        }

        <artifactId>maven-it-plugin</artifactId>
        <version>0.1</version>
        <extensions>true</extensions>
        <executions>
          <execution>
            <id>load</id>
            <phase>validate</phase>
            <configuration>
              <resourcePaths>maven-core-it.properties</resourcePaths>
              <pluginClassLoaderOutput>target/pcl.properties</pluginClassLoaderOutput>
            </configuration>

        <executions>
          <execution>
            <id>create-distro-packages</id>
            <goals>
              <goal>single</goal>
            </goals>
            <phase>package</phase>
            <configuration>
              <descriptors>
                <descriptor>src/assembly/bin.xml</descriptor>
              </descriptors>
            </configuration>
          </execution>

@Inherited
public @interface Mojo {
    /**
     * goal name (required).
     * @return the goal name
     */
    @Nonnull
    String name();

    /**
     * default phase to bind your mojo.
     * @return the default phase
     */
    @Nonnull
    String defaultPhase() default "";

    /**
     * does your mojo requires a project to be executed?
     * @return requires a project
     */

                <version>1.4</version>
                <executions>
                    <execution>
                        <id>enforce-versions</id>
                        <phase>initialize</phase>
                        <goals>
                            <goal>enforce</goal>
                        </goals>
                        <configuration>
                            <fail>true</fail>

        CLI,

        /**
         * An execution that originates from a goal bound to a lifecycle phase.
         */
        LIFECYCLE,
    }

    private Source source = Source.LIFECYCLE;

    /**
     * The phase may or may not have been bound to a phase but once the plan has been calculated we know what phase
     * this mojo execution is going to run in.
     */
    private String lifecyclePhase;

    /**