<name>goal</name>
          <type>java.lang.String</type>
          <required>true</required>
          <editable>true</editable>
          <description>The mojo's goal that we're looking for, as an extra validation step.</description>
        </parameter>
      </parameters>
      <configuration>
        <project implementation="org.apache.maven.project.MavenProject" default-value="${project}"/>

          <!-- This is a required attribute and is intentionally left empty -->
          <models />
        </configuration>
        <executions>
          <execution>
            <!-- This step is required to generate xdoc, and does not generate java code -->
            <id>modello-site-doc</id>
            <goals>
              <goal>xdoc</goal>
            </goals>
            <phase>pre-site</phase>