<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>
      <version>1.0.0</version>

          <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>
      <name>ToolchainModel</name>
      <superClass>TrackableBase</superClass>
      <version>1.0.0+</version>

          <description>The list of plugin parameter expressions described by this
            document.</description>
          <association>
            <type>Expression</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
      <codeSegments>
        <codeSegment>
          <version>1.0.0</version>

      <fields>
        <field>
          <name>exportedPackages</name>
          <version>1.0.0</version>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>

          <description>
            Remote resources that are contained in a remote resources bundle.
          </description>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field>
          <name>sourceEncoding</name>
          <version>1.1.0</version>
          <description>

          <version>1.0.0</version>
          <description>Snippets of POM xml files used to supplement the data model.</description>
          <association>
            <type>Supplement</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>Supplement</name>
      <version>1.0.0</version>
      <description>A single supplement</description>