}

    /**
     * @throws Exception
     */
    @Test
    public void testAppendHex() throws Exception {
        final StringBuilder buf = new StringBuilder();
        StringUtil.appendHex(buf, (byte) 1);
        assertEquals("01", buf.toString());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCamelize() throws Exception {

	// string "VersionsSort"
	o = append(o, 0xac, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x53, 0x6f, 0x72, 0x74)
	o = msgp.AppendUint8(o, uint8(z.VersionsSort))
	// string "Limit"
	o = append(o, 0xa5, 0x4c, 0x69, 0x6d, 0x69, 0x74)
	o = msgp.AppendInt(o, z.Limit)
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *WalkOptions) UnmarshalMsg(bts []byte) (o []byte, err error) {
	var field []byte
	_ = field

	// string "v"
	o = append(o, 0xa1, 0x76)
	o = msgp.AppendString(o, z.Volume)
	// string "ov"
	o = append(o, 0xa2, 0x6f, 0x76)
	o = msgp.AppendString(o, z.OrigVolume)
	// string "fp"
	o = append(o, 0xa2, 0x66, 0x70)
	o = msgp.AppendString(o, z.FilePath)
	// string "uo"
	o = append(o, 0xa2, 0x75, 0x6f)
	// map header, size 1
	// string "np"
	o = append(o, 0x81, 0xa2, 0x6e, 0x70)

			}
			testReq := testCase.requestXML
			if len(testReq) == 0 {
				var escaped bytes.Buffer
				xml.EscapeText(&escaped, []byte(testCase.query))
				testReq = fmt.Appendf(nil, defRequest, escaped.String())
			}
			s3Select, err := NewS3Select(bytes.NewReader(testReq))
			if err != nil {
				t.Fatal(err)
			}

			in := input
			if len(testCase.withJSON) > 0 {

	o = append(o, 0xa2, 0x6e, 0x6f)
	o = msgp.AppendUint64(o, z.NumObjects)
	// string "nv"
	o = append(o, 0xa2, 0x6e, 0x76)
	o = msgp.AppendUint64(o, z.NumVersions)
	// string "bs"
	o = append(o, 0xa2, 0x62, 0x73)
	o = msgp.AppendUint64(o, z.Bytes)
	// string "par"
	o = append(o, 0xa3, 0x70, 0x61, 0x72)
	o = msgp.AppendBool(o, z.Participating)
	// string "inf"
	o = append(o, 0xa3, 0x69, 0x6e, 0x66)

            final StringBuilder b = new StringBuilder();
            b.append('"').append(StringEscapeUtils.escapeJson(p.getName())).append("\":{");
            append(b, "count", () -> p.getCount()).append(',');
            append(b, "used", () -> p.getUsed().getBytes()).append(',');
            append(b, "capacity", () -> p.getTotalCapacity().getBytes()).append('}');
            return b.toString();

* `media_type` - A `str` giving the media type. E.g. `"text/html"`.

FastAPI (actually Starlette) will automatically include a Content-Length header. It will also include a Content-Type header, based on the `media_type` and appending a charset for text types.

{* ../../docs_src/response_directly/tutorial002_py310.py hl[1,18] *}

### `HTMLResponse` { #htmlresponse }

Takes some text or bytes and returns an HTML response, as you read above.

                if (!first) {
                    json.append(", ");
                }
                first = false;
                json.append("\"").append(escapeJson(String.valueOf(entry.getKey()))).append("\": ");
                appendJsonValue(json, entry.getValue());
            }
            json.append("}");
        } else if (value instanceof Number) {
            json.append(value);
        } else if (value instanceof Boolean) {

                sb.append("'>");
                sb.append(option.getLongOpt());
                sb.append("</a>");
            }

            if (option.hasArg()) {
                if (option.hasArgName()) {
                    sb.append(" &lt;").append(option.getArgName()).append("&gt;");
                } else {
                    sb.append(' ');
                }
            }
            sb.append("</code>");

        sb.append(dm).append(includedPaths);
        sb.append(dm).append(intervalTime);
        sb.append(dm).append(maxAccessCount);
        sb.append(dm).append(name);
        sb.append(dm).append(numOfThread);
        sb.append(dm).append(paths);
        sb.append(dm).append(permissions);
        sb.append(dm).append(sortOrder);
        sb.append(dm).append(timeToLive);
        sb.append(dm).append(updatedBy);