converters.add(new DeviceControlRepresentationConverter());
converters.add(new OperationCollectionRepresentationConverter());
converters.add(new OperationRepresentationConverter());
converters.add(new MeasurementsApiRepresentationConverter());
converters.add(new MeasurementRepresentationConverter());
converters.add(new MeasurementCollectionRepresentationConverter());
// add all converters here !!!
}