<optional>
<ref name="request"/>
</optional>
+ <optional>
+ <ref name="euca_instances"/>
+ </optional>
</element>
</define>
<define name="request">
<ref name="keypair"/>
</element>
</define>
+ <define name="euca_instances">
+ <element name="euca_instances">
+ <oneOrMore>
+ <ref name="euca_instance"/>
+ </oneOrMore>
+ </element>
+ </define>
+ <define name="euca_instance">
+ <element name="euca_instance">
+ <attribute name="id">
+ <data type="ID"/>
+ </attribute>
+ <ref name="state"/>
+ <ref name="public_dns"/>
+ <ref name="keypair"/>
+ </element>
+ </define>
<define name="credential">
<element name="credential">
<text/>
<text/>
</element>
</define>
+ <define name="public_dns">
+ <element name="public_dns">
+ <text/>
+ </element>
+ </define>
<define name="memory">
<element name="memory">
<attribute name="unit">