l<definitions>
l <interface>
l <attribute
l element="xs:QName"
l
access=(“read”|“write”|“read-write”)? >
l </attribute>*
l <operation … />*
l </interface>
l</definitions>
l
l<interface name=“workingGroup”>
l <attribute
element=“wg:manager” access=“read” />
l <attribute
element=“wg:issues” access=“read-write” />
l …
l</interface>