code: public static Specification<JpaTargetFilterQuery> withAutoAssignDS() {
          return (targetFilterQueryRoot, query, cb) -> cb
                  .isNotNull(targetFilterQueryRoot.get(JpaTargetFilterQuery_.autoAssignDistributionSet));
      }
docs: {@link Specification} for retrieving {@link JpaTargetFilterQuery}s based
  on is {@link JpaTargetFilterQuery#getName()}.
  
  @return the {@link JpaTargetFilterQuery} {@link Specification}