* closes its response body. If you invoke [Call.execute] or implement [Callback.onResponse] you
 * must close this body by calling any of the following methods:
 *
 * * `Response.close()`
 * * `Response.body().close()`
 * * `Response.body().source().close()`
 * * `Response.body().charStream().close()`
 * * `Response.body().byteStream().close()`
 * * `Response.body().bytes()`
 * * `Response.body().string()`
 *

    open fun post(body: RequestBody): Builder = method("POST", body)

    @JvmOverloads
    open fun delete(body: RequestBody? = RequestBody.EMPTY): Builder = method("DELETE", body)

    open fun put(body: RequestBody): Builder = method("PUT", body)

    open fun patch(body: RequestBody): Builder = method("PATCH", body)

    open fun query(body: RequestBody): Builder = method("QUERY", body)

     *
     * @param body the create body containing access token data
     * @return JSON response with the created access token ID
     */
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final AccessToken accessToken = getAccessToken(body).map(entity -> {

          if (requestBody.isDuplex()) {
            // Prepare a duplex body so that the application can send a request body later.
            exchange.flushRequest()
            val bufferedRequestBody = exchange.createRequestBody(request, true).buffer()
            requestBody.writeTo(bufferedRequestBody)
          } else {
            // Write the request body if the "Expect: 100-continue" expectation was met.

            - media_type
            - body
            - background
            - raw_headers
            - render
            - init_headers
            - headers
            - set_cookie
            - delete_cookie

::: fastapi.responses.ORJSONResponse
    options:
        members:
            - charset
            - status_code
            - media_type
            - body
            - background

     *
     * @param body duplicate host setting data to create
     * @return JSON response with created setting ID and status
     */
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final DuplicateHost duplicateHost = getDuplicateHost(body).map(entity -> {
            try {

     *
     * @param body file configuration setting data to create
     * @return JSON response with created setting ID and status
     */
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final FileConfig fileConfig = getFileConfig(body).map(entity -> {
            try {

            return;
        }
        final String body = toSlackMessage(discloser);
        StreamUtil.split(slackWebhookUrls, "[,\\s]").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(url -> {
            try (CurlResponse response = Curl.post(url).header("Content-Type", "application/json").body(body).execute()) {
                if (response.getHttpStatusCode() == 200) {

    assertThat(body.contentLength()).isEqualTo(3)
    assertThat(bodyToHex(body)).isEqualTo("616263")
    assertThat(bodyToHex(body), "Retransmit body").isEqualTo("616263")
  }

  @Test
  fun byteArrayRange() {
    val contentType = "text/plain".toMediaType()
    val body: RequestBody = ".abcd".toByteArray().toRequestBody(contentType, 1, 3)
    assertThat(body.contentType()).isEqualTo(contentType)

    public void testBodyStringMethod() {
        CurlRequest request = new CurlRequest(Method.POST, "https://example.com");
        String body = "{\"key\":\"value\"}";

        CurlRequest result = request.body(body);

        assertSame(request, result); // Fluent API
        assertEquals(body, request.body());
    }

    @Test
    public void testBodyInputStreamMethod() {