code: private void filterEngineeringObjectInformation(EDBObject object, Class<?> model) {
          if (!AdvancedModelWrapper.isEngineeringObjectClass(model)) {
              return;
          }
          Iterator<String> keys = object.keySet().iterator();
          while (keys.hasNext()) {
              if (keys.next().startsWith(REFERENCE_PREFIX)) {
                  keys.remove();
              }
          }
      }
docs: Filters the reference prefix values added in the model to EDBObject conversion out of the EDBObject