// Assert
        assertEquals(0, SessionSetupHandler.class.getDeclaredMethods().length, "No methods expected");
        assertEquals(0, SessionSetupHandler.class.getDeclaredFields().length, "No fields expected");
        assertEquals(0, SessionSetupHandler.class.getDeclaredClasses().length, "No nested types expected");
    }

    @ParameterizedTest(name = "Implementation is instance: {0}")
    @MethodSource("implementations")

        // but the method should not throw NullPointerException
        try {
            method.invoke(multiChannelManager, localhost, loopback);
            // If it doesn't throw, that's unexpected for localhost
            fail("Expected CIFSException for localhost multi-channel attempt");
        } catch (java.lang.reflect.InvocationTargetException e) {

 * methods of the delegate. For example, overriding {@link #add} alone <b>will not</b> change the
 * behavior of {@link #offer} which can lead to unexpected behavior. In this case, you should
 * override {@code offer} as well.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code

        .url("https://api.imgur.com/3/image")
        .post(requestBody)
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new PostMultipart().run();
  }

    get() {
      val statusParts = status.split(' ', limit = 3)
      require(statusParts.size >= 2) { "Unexpected status: $status" }
      return statusParts[1].toInt()
    }

  public val message: String
    get() {
      val statusParts = status.split(' ', limit = 3)
      require(statusParts.size >= 2) { "Unexpected status: $status" }
      return statusParts[2]
    }

  public val headers: Headers

 * specified the JVM flag {@code -XX:+DisableExplicitGC}. But in practice, it works very well for
 * ordinary tests.
 *
 * <p>Failure of the expected event to occur within an implementation-defined "reasonable" time
 * period or an interrupt while waiting for the expected event will result in a {@link
 * RuntimeException}.
 *
 * <p>Here's an example that tests a {@code finalize} method:
 *
 * {@snippet :

        clientForCall = client;
      }

      try (Response response = clientForCall.newCall(request).execute()) {
        if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

        System.out.println("    Network: " + (response.networkResponse() != null));
        System.out.println();
      }
    }
  }

     * Provides messages including edge cases (null and empty) for parameterized testing.
     */
    static Stream<Arguments> messages() {
        return Stream.of(Arguments.of((String) null), Arguments.of(""), Arguments.of("unexpected downgrade"));
    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {

                        "5.32",
                        "5.27"
                    });

                    try {
                        assertEquals(0, p.waitFor(), "Unexpected exit code");
                    } catch (InterruptedException e) {
                        throw new InterruptedIOException(e.toString());
                    }
                    return FileVisitResult.TERMINATE;

      @JvmStatic
      fun create(
        headers: Headers?,
        body: RequestBody,
      ): Part {
        require(headers?.get("Content-Type") == null) { "Unexpected header: Content-Type" }
        require(headers?.get("Content-Length") == null) { "Unexpected header: Content-Length" }
        return Part(headers, body)
      }

      @JvmStatic
      fun createFormData(
        name: String,
        value: String,