code: public Map<String, Set<String>> getPropertyConnections(TransformationDescription description) {
          Map<String, Set<String>> propertyMap = getSourceProperties(description.getSourceModel());
          fillPropertyMap(propertyMap, description);
          resolveTemporaryProperties(propertyMap);
          deleteTemporaryProperties(propertyMap);
          return propertyMap;
      }
docs: Calculates the connections of properties of the source and target model of a transformation description. Returns
  a map where the keys are the properties of the source model and the values are a set of property names which are
  influenced if the key property is changed.