code: public static Bson nor(final Iterable<Bson> filters) {
          return new OrNorFilter(OrNorFilter.Operator.NOR, filters);
      }
docs: Creates a filter that performs a logical NOR operation on all the specified filters.
  
  @param filters the list of values
  @return the filter
  @mongodb.driver.manual reference/operator/query/nor $nor