<xs:element name="version" type="version_type" minOccurs="0" />
<xs:element name="save" type="save_type" minOccurs="0" />
<xs:element name="load" type="load_type" minOccurs="0" />
<xs:element name="version" type="version_type" minOccurs="0" />
<xs:element name="save" type="save_type" minOccurs="0" />
<xs:element name="load" type="load_type" minOccurs="0" />