Device specification, with all necessary properties set.
Type of operation being performed on the backing
of the specified virtual device.
If no file operation is specified in the VirtualDeviceSpec,
then any backing filenames in the
must refer to files that already exist.
The "replace" and "delete" values for this property are only
applicable to virtual disk backing files.
Type of operation being performed on the specified virtual device.
If no operation is specified, the spec. is ignored.
Properties inherited from DynamicData