<config>
    <module name='Foo::Bar2'>
          <constant name='BAZ' type='ARRAY'>
            [ 1, 2, 3 ]
          </constant>
    </module>
    <module name='Bar::Baz2'>
        <constant name='FOO' type='HASH'>
            { test => 'this', out => 10 }
        </constant>
        <constant name='BAR' type='My::Object'>
            bless({}, 'My::Object')
        </constant>        
    </module>
</config>