docs: public synchronized boolean purgeOldFiles() {	// 671059 for servants, this will return null
  		if (debugLogger.isLoggable(Level.FINE) && LogRepositoryBaseImpl.isDebugEnabled()) {
  			debugLogger.logp(Level.FINE, thisClass, "purgeOldFiles", "Comm: "+ivSubProcessCommAgent+" Tp: "+managedType);
  		}
  		purgeFiles = true ;
  		return false ;
  	}