val request = Request.Builder()
            .url("https://publicobject.com/helloworld.txt")
            .build()

        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")

          for ((name, value) in response.headers) {
            println("$name: $value")
          }

          println(response.body!!.string())
        }

    }

    /**
     * Gets the successful HTTP codes.
     *
     * @return the successful HTTP codes
     */
    public int[] getSuccessfulHttpCodes() {
        return successfulHttpCodes;
    }

    /**
     * Sets the successful HTTP codes.
     *
     * @param successfulHttpCodes the successful HTTP codes to set
     */

      fun run() {
        val request = Request.Builder()
            .url("https://publicobject.com/robots.txt")
            .build()

        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")

          for (certificate in response.handshake!!.peerCertificates) {
            println(CertificatePinner.pin(certificate))
          }
        }
      }
    ```

  )
  fun code(): Int = code

  /**
   * Returns true if the code is in [200..300), which means the request was successfully received,
   * understood, and accepted.
   */
  val isSuccessful: Boolean = code in 200..299

  @JvmName("-deprecated_message")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "message"),
    level = DeprecationLevel.ERROR,
  )

    val response: Response = Response.Builder().build()
    val request: Request = response.request
    val protocol: Protocol = response.protocol
    val code: Int = response.code
    val successful: Boolean = response.isSuccessful
    val message: String = response.message
    val handshake: Handshake? = response.handshake
    val headersForName: List<String> = response.headers("")
    val header: String? = response.header("")

      client
        .newBuilder()
        .readTimeout(1000, TimeUnit.MILLISECONDS)
        .build()
    val call = client.newCall(request)
    val response = call.execute()
    assertThat(response.isSuccessful).isTrue()
  }

  /**
   * We delay sending the last byte of the request body 1500 ms. The 1000 ms read timeout shouldn't
   * elapse because it shouldn't start until the request body is sent.
   */
  @Test

    ```java
    Headers headers = Headers.of(name1, value1, name2, value2, ...).
    ```

 *  New: Make the content-type header optional for request bodies.
 *  New: `Response.isSuccessful()` is a convenient API to check response codes.
 *  New: The response body can now be read outside of the callback. Response
    bodies must always be closed, otherwise they will leak connections!

          in: query
          description: Callback name for using JSONP
          required: false
          schema:
            type: string
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                type: object
                properties:
                  q:
                    type: string

        RangeQueryBuilder rangeQuery = (RangeQueryBuilder) deleteQuery;
        assertEquals("expires", rangeQuery.fieldName());
        assertEquals("now", rangeQuery.to());

        // Assert result is empty when successful
        assertEquals("", result);
    }

    public void test_execute_withException() {
        // Create mock SearchEngineClient that throws exception
        searchEngineClient = new SearchEngineClient() {

        HandleGuid guid = new HandleGuid();

        // Create handle info with empty file ID (will be populated after successful create response)
        HandleInfo info = new HandleInfo(path, guid, new byte[16], type, timeout, leaseKey);

        lock.writeLock().lock();
        try {
            handles.put(path, info);