code: public ServiceInstanceQuery getNotInQueryCriterion(String key, List<String> list){
          QueryCriterion c = new NotInQueryCriterion(key, list);
          addQueryCriterion(c);
          return this;
      }
docs: Get a metadata value not in String list QueryCriterion.
  
  Add a QueryCriterion to check ServiceInstance has metadata value
  not in the target String list.
  
  @param key
  the metadata key.
  @param list
  the target String list that metadata value should not be in.
  @return
  the ServiceInstanceQuery.