The email address or link that can be used to subscribe to
            the mailing list.  If this is an email address, a
            {@code mailto:} link will automatically be created
            when the documentation is created.
          </description>
          <type>String</type>
        </field>
        <field>
          <name>unsubscribe</name>
          <version>3.0.0+</version>

      <![CDATA[
<groupId>project.group</groupId>
<artifactId>project-artifact</artifactId>
<version>0.0.0.0</version>
<packaging>type</packaging>
    ]]></configuration>
    <description> This is the Artifact instance created from the essential project
      attributes: groupId, artifactId, version, and packaging (with a default packaging of
      'jar').
    </description>
  </expression>
  <expression>
    <syntax>project.parent</syntax>

          <description>
            The permissions for files when they are created.
          </description>
          <type>String</type>
        </field>
        <field>
          <name>directoryPermissions</name>
          <version>1.0.0+</version>
          <description>
            The permissions for directories when they are created.
          </description>
          <type>String</type>
        </field>