* Returns the low level slide master object from
* the supplied slide master reference
*/
public CTSlideMaster getSlideMaster(CTSlideMasterIdListEntry master) throws IOException, XmlException {
PackagePart masterPart = getSlideMasterPart(master);
SldMasterDocument masterDoc =
SldMasterDocument.Factory.parse(masterPart.getInputStream());
return masterDoc.getSldMaster();
}