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    * `Query()`
    * `Header()`
    * `Cookie()`
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#media-type-object" class="external-link" target="_blank">`Request Body Object`, в полі `content`, в `Media Type Object` (в специфікації)</a> використовується FastAPI для:
    * `Body()`
    * `File()`
    * `Form()`

/// info | Інформація

     * Download the character mapping file for the specified dictionary.
     *
     * @param dictId identifier of the dictionary
     * @param body download request payload
     * @return stream response with file content
     */
    // GET /api/admin/dict/mapping/download/{dictId}
    @Execute
    public StreamResponse get$download(final String dictId, final DownloadBody body) {
        body.dictId = dictId;

    eventListener.responseHeadersEnd(call, response)
  }

  @Throws(IOException::class)
  fun openResponseBody(response: Response): ResponseBody {
    try {
      val contentType = response.header("Content-Type")
      val contentLength = codec.reportedContentLength(response)
      val rawSource = codec.openResponseBodySource(response)
      val source = ResponseBodySource(rawSource, contentLength)