docs: private void assignInstancesToContainers(PackingPlanBuilder planBuilder,
                                             Map<String, Integer> parallelismMap,
                                             PolicyType policyType)
        throws ConstraintViolationException {
      for (String componentName : parallelismMap.keySet()) {
        int numInstance = parallelismMap.get(componentName);
        for (int i = 0; i < numInstance; ++i) {
          policyType.assignInstance(planBuilder, componentName, this);
        }
      }
    }