String policySetId = newPolicySet.getPolicySetId();
File policySetFile = new File(getPolicySetAbsolutePath(papId, policySetId));
if (!policySetFile.exists()) {
throw new NotFoundException(policySetNotFoundExceptionMsg(policySetId));
}
Map<String, PolicySetTypeString> papCache = getPapCache(papId);
PolicySetTypeString oldPolicySetString = papCache.get(policySetId);