*
 * <p>The merger supports two main types of combinations:</p>
 * <ul>
 *   <li>Children combination: Controls how child elements are combined</li>
 *   <li>Self combination: Controls how the element itself is combined</li>
 * </ul>
 *
 * <p>Children combination modes (specified by {@code combine.children} attribute):</p>
 * <ul>
 *   <li>{@code merge} (default): Merges elements with matching names</li>

		},
		cli.BoolFlag{
			Usage: "combine inline data",
			Name:  "combine",
		},
		cli.BoolFlag{
			Usage: "combine inline data across versions when size matches",
			Name:  "xver",
		},
	}

	app.Action = func(c *cli.Context) error {
		ndjson := c.Bool("ndjson")
		if c.Bool("data") && c.Bool("combine") {
			return errors.New("cannot combine --data and --combine")
		}
		// file / version / file

// qProp contains analysis info about an SQL term.
type qProp struct {
	isAggregation, isRowFunc bool

	err error
}

// `combine` combines a pair of `qProp`s, so that errors are
// propagated correctly, and checks that an aggregation is not being
// combined with a row-function term.
func (p *qProp) combine(q qProp) {
	switch {
	case p.err != nil:
		// Do nothing
	case q.err != nil:
		p.err = q.err
	default:

It will all be combined and included in your OpenAPI, and shown in the API docs:

<img src="/img/tutorial/additional-responses/image01.png">

## Combine predefined responses and custom ones { #combine-predefined-responses-and-custom-ones }

You might want to have some predefined responses that apply to many *path operations*, but you want to combine them with custom responses needed by each *path operation*.

	// Combine the raw checksums (this is what happens in CompleteMultipartUpload)
	var checksumCombined []byte
	checksumCombined = append(checksumCombined, part1Checksum.Raw...)
	checksumCombined = append(checksumCombined, part2Checksum.Raw...)
	checksumCombined = append(checksumCombined, part3Checksum.Raw...)

	// Create the final checksum (checksum of the combined checksums)

     *       <td>{@code target/classes}</td>
     *       <td>Compiled application classes and processed main resources</td>
     *     </tr>
     *     <tr>
     *       <td>{@link ProjectScope#TEST}</td>
     *       <td>{@code build.getTestOutputDirectory()}</td>
     *       <td>{@code target/test-classes}</td>
     *       <td>Compiled test classes and processed test resources</td>
     *     </tr>
     *     <tr>

	// no other caller must set this value other than multi-object delete call.
	// usage in other calls in undefined please avoid.
	Idx int `msg:"i"`

	// Combined checksum when object was uploaded.
	Checksum []byte `msg:"cs,allownil"`

	// Versioned - indicates if this file is versioned or not.
	Versioned bool `msg:"vs"`
}

func (fi FileInfo) shardSize() int64 {

            return propertyValue;
        }

        /**
         * Checks if the passed in line should be combined with the following.
         * This is true, if the line ends with an odd number of backslashes.
         *
         * @param line the line
         * @return a flag if the lines should be combined
         */
        private static boolean checkCombineLines(String line) {
            int bsCount = 0;

            return propertyValue;
        }

        /**
         * Checks if the passed in line should be combined with the following.
         * This is true, if the line ends with an odd number of backslashes.
         *
         * @param line the line
         * @return a flag if the lines should be combined
         */
        private static boolean checkCombineLines(String line) {
            int bsCount = 0;

In this case, the `status_code` used will be the default one for the `RedirectResponse`, which is `307`.

---

You can also use the `status_code` parameter combined with the `response_class` parameter:

{* ../../docs_src/custom_response/tutorial006c_py39.py hl[2,7,9] *}

### `StreamingResponse` { #streamingresponse }