// We do this instead of Preconditions.checkNotNull to save boxing and array
  // creation cost.
  @CanIgnoreReturnValue
  static Object checkElementNotNull(Object element, int index) {
    if (element == null) {
      throw new NullPointerException("at index " + index);
    }
    return element;
  }

    ImmutableListMultimap<Integer, String> index =
        FluentIterable.from(asList("one", "two", "three", "four"))
            .index(
                new Function<String, Integer>() {
                  @Override
                  public Integer apply(String input) {
                    return input.length();
                  }
                });
    assertEquals(expected, index);
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

{
  "settings": {
    "index": {
      "refresh_interval": "1s",
      "number_of_shards": 5,
      "number_of_replicas": 0,
      "auto_expand_replicas": "0-1"
    }
  }

				if len(fromCallbacks) > 0 {
					for i := 0; i < stmt.ReflectValue.Len(); i++ {
						stmt.AddError(field.Set(stmt.Context, stmt.ReflectValue.Index(i), value))
					}
				} else {
					stmt.AddError(field.Set(stmt.Context, stmt.ReflectValue.Index(stmt.CurDestIndex), value))
				}
			case reflect.Struct:
				if !stmt.ReflectValue.CanAddr() {
					stmt.AddError(ErrInvalidValue)
					return
				}

          "uidNumber" : {
            "type" : "long"
          },
          "x121Address" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "dbflute" : {
          "user" : {
            "properties" : {
              "groups" : {
                "array" : "true"
              },
              "roles" : {