<AttributeResolver xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:mace:shibboleth:resolver:1.0" xsi:schemaLocation="urn:mace:shibboleth:resolver:1.0 shibboleth-resolver-1.0.xsd">
	
	<SimpleAttributeDefinition id="foo">
		<AttributeDependency requires="bar"/>
	</SimpleAttributeDefinition>
	
	<SimpleAttributeDefinition id="bar">
		<AttributeDependency requires="foo"/>
	</SimpleAttributeDefinition>
	
</AttributeResolver>