<DataSource	ID="HeaderSpan">
    <fields>
        <field name="align" type="alignEnum" />
		<field name="fields" type="string" multiple="true"/>
        <field name="headerBaseStyle" type="cssClass" />
        <field name="headerTitle" type="string"/>
        <field name="headerTitleStyle" type="cssClass" />
        <field name="height" type="integer"/>
        <field name="name" type="identifier"/>
        <field name="spans" type="HeaderSpan" multiple="true"/>
        <field name="title" type="string"/>
        <field name="valign" type="valignEnum" />
    </fields>
</DataSource>