/ref>
        <p>
          The name that should be given to the parameter.
        </p>
      </field>
      <field name="parameters" optional="true">
        <ref>String</ref>
        <p>
          The parameter list of the parameter's function type. If the parameter
          is not of a function type, this field will not be defined. If the
          function type has zero parameters, this field will have a value of
          '()'.
        </p>
      </field>
    </object>
  </type>
  <type name="Refacto