public static Usage getInstanceWithId(int id) {
			switch(id) {
				case 1: return RequiredConfigurationData;
				case 2: return ChangeableRequiredConfigurationData;
				case 3: return OptionalConfigurationData;
				case 4: return ChangeableOptionalConfigurationData;
				case 5: return OnlineDataAsSourceReceiver;
				case 6: return OnlineDataAsSenderDrain;
				case 7: return OnlineDataAsSourceReceiverOrSenderDrain;
				default: throw new IllegalArgumentException("Keine Verwendung mit id=" + id + " definiert.");
			}
		}