}
        return new Result<>(result.hasErrors() || hasErrors(problems), result.get(), list);
    }

    public static <T> Result<T> addProblems(Result<T> result, Result<?>... results) {
        final List<ModelProblem> problemsList = new ArrayList<>();

        for (Result<?> result1 : results) {
            for (ModelProblem modelProblem : result1.getProblems()) {
                problemsList.add(modelProblem);

    }

    @Override
    protected <RESULT extends DataConfig> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setAvailable(DfTypeUtil.toBoolean(source.get("available")));
            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

    assertThat(result).asList().containsExactly("a", "b").inOrder();
  }

  @GwtIncompatible // ObjectArrays.concat(Object[], Object[], Class)
  public void testConcatNonemptyEmpty() {
    String[] result = ObjectArrays.concat(new String[] {"a", "b"}, new String[0], String.class);
    assertEquals(String[].class, result.getClass());
    assertThat(result).asList().containsExactly("a", "b").inOrder();

    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterable_empty_1() {
    List<Integer> result = numberOrdering.leastOf(Arrays.<Integer>asList(), 1);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterator_empty_1() {

    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterable_empty_1() {
    List<Integer> result = numberOrdering.leastOf(Arrays.<Integer>asList(), 1);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterator_empty_1() {

    }

    @Override
    protected <RESULT extends JobLog> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setEndTime(DfTypeUtil.toLong(source.get("endTime")));
            result.setJobName(DfTypeUtil.toString(source.get("jobName")));
            result.setJobStatus(DfTypeUtil.toString(source.get("jobStatus")));

    }

    @Override
    protected <RESULT extends BoostDocumentRule> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setBoostExpr(DfTypeUtil.toString(source.get("boostExpr")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

    }

    @Override
    protected <RESULT extends CrawlingInfo> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setExpiredTime(DfTypeUtil.toLong(source.get("expiredTime")));
            result.setName(DfTypeUtil.toString(source.get("name")));

      checkNonnegative(distance, "distance");
      long result = origin + distance;
      if (result < 0) {
        checkArgument(origin < 0, "overflow");
      }
      return result;
    }

    @Override
    public long distance(Long start, Long end) {
      long result = end - start;
      if (end > start && result < 0) { // overflow
        return Long.MAX_VALUE;
      }

        return RoleDbm.getInstance();
    }

    @Override
    protected <RESULT extends Role> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setName(DfTypeUtil.toString(source.get("name")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {