<description>Root element of the {@code lifecycle.xml} file.</description>
      <fields>
        <field>
          <name>lifecycles</name>
          <version>1.0.0</version>
          <association xml.itemsStyle="flat">
            <type>Lifecycle</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>Lifecycle</name>

      <option name="IF_BRACE_FORCE" value="1" />
      <option name="DOWHILE_BRACE_FORCE" value="1" />
      <option name="WHILE_BRACE_FORCE" value="1" />
      <option name="FOR_BRACE_FORCE" value="1" />
      <option name="FIELD_ANNOTATION_WRAP" value="0" />
    </codeStyleSettings>
    <codeStyleSettings language="PROTO">
      <indentOptions>
        <option name="INDENT_SIZE" value="2" />
        <option name="CONTINUATION_INDENT_SIZE" value="4" />

    <exportedPackage>org.codehaus.plexus.classworlds</exportedPackage>

    <!-- classworlds (for legacy code) -->
    <exportedPackage>org.codehaus.classworlds</exportedPackage>

    <!-- plexus-utils (for DOM-type fields in maven-model) -->
    <exportedPackage>org.codehaus.plexus.util.xml.Xpp3Dom</exportedPackage>
    <exportedPackage>org.codehaus.plexus.util.xml.Xpp3DomBuilder</exportedPackage>

              <!-- internal field removed -->
              <exclude>org.apache.maven.graph.DefaultGraphBuilder#projectBuilder</exclude>
              <!-- MavenPluginValidator has been transformed into an interface -->

          <association>
            <type>Reporting</type>
          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>PluginContainer</name>
      <version>3.0.0+</version>
      <description>Contains the plugins information for the project.</description>
      <fields>
        <field>
          <name>plugins</name>
          <version>4.0.0+</version>

      <name>ExtensionDescriptor</name>
      <version>1.0.0</version>
      <description><![CDATA[Root element of the <code>extension.xml</code> file.]]></description>
      <fields>
        <field>
          <name>exportedPackages</name>
          <version>1.0.0</version>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>

            <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
            <option name="REQUIRED_TAGS" value="@return@param@throws or @exception" />
          </value>
        </option>
        <option name="FIELD_OPTIONS">
          <value>
            <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
            <option name="REQUIRED_TAGS" value="" />
          </value>
        </option>

      <releases>
        <!-- That's the boolean POM field we would like to interpolate -->
        <enabled>${releasesEnabled}</enabled>
      </releases>
    </repository>
  </repositories>

  <build>
    <resources>
      <resource>
        <directory>src/main/resources</directory>
        <!-- That's the boolean POM field we would like to interpolate -->
        <filtering>${filter.resources}</filtering>

          <field-name>source</field-name>
        </requirement>
        <requirement>
          <role>org.codehaus.plexus.PlexusContainer</role>
          <role-hint>default</role-hint>
          <field-name>container</field-name>
        </requirement>
        <requirement>
          <role>org.apache.maven.plugin.LegacySupport</role>
          <role-hint>default</role-hint>
          <field-name>legacySupport</field-name>

      <version>1.0.0+</version>
      <fields>
        <field>
          <name>toolchains</name>
          <version>1.0.0+</version>
          <description>The toolchain instance definition.</description>
          <association xml.itemsStyle="flat">
            <type>ToolchainModel</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class>