<field type="CARD16" name="num_classes" />
<field type="CARD16" name="modifiers" mask="ModMask" />
<field type="CARD8" name="this_device_mode" enum="GrabMode" />
<field type="CARD16" name="num_classes" />
<field type="CARD16" name="modifiers" mask="ModMask" />
<field type="CARD8" name="this_device_mode" enum="GrabMode" />