void testJoinWithMixedCharSequenceTypes() {
        String str = "string";
        StringBuilder builder = new StringBuilder("builder");
        StringBuffer buffer = new StringBuffer("buffer");
        String result = StringUtil.join(",", str, builder, buffer);
        assertEquals("string,builder,buffer", result);
    }

    @ParameterizedTest
    @DisplayName("Should handle various element counts")

  private static final Logger logger = Logger.getLogger(LoggingInterceptors.class.getName());
  private final OkHttpClient client = new OkHttpClient.Builder()
      .addInterceptor(new LoggingInterceptor())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    Response response = client.newCall(request).execute();

 * by a G, selecting appropriate tests by matching them against specified features.
 *
 * @param <B> The concrete type of this builder (the 'self-type'). All the Builder methods of this
 *     class (such as {@link #named}) return this type, so that Builder methods of more derived
 *     classes can be chained onto them without casting.

  val packageName = "okhttp3.internal.idn"
  val idnaMappingTable = ClassName(packageName, "IdnaMappingTable")

  return FileSpec
    .builder(packageName, "IdnaMappingTableInstance")
    .addProperty(
      PropertySpec
        .builder("IDNA_MAPPING_TABLE", idnaMappingTable)
        .addModifiers(KModifier.INTERNAL)
        .initializer(
          """
          |%T(⇥
          |sections = "%L",

   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  static URL[] parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();
    for (String entry : Splitter.on(PATH_SEPARATOR.value()).split(JAVA_CLASS_PATH.value())) {
      try {
        try {
          urls.add(new File(entry).toURI().toURL());

 delegating content to {{{../../api/maven-api-settings/index.html}Maven 4 API immutable settings}}. All the effective model
 building logic from multiple settings files is done in {{{../maven-settings-builder/}Maven Settings Builder}}.

 The following are generated from this model:

   * {{{./apidocs/index.html}Java sources}} with Reader and Writers for the Xpp3 XML parser, <<<ToAPiV3()>>> and <<<ToApiV4()>>> transformers, and <<<v4>>> package

    assertTrue(requiresRequestBody("PUT"))
    assertFalse(requiresRequestBody("GET"))
  }

  @Test
  fun hasBody() {
    val request = Request.Builder().url("http://example.com").build()
    val response =
      Response
        .Builder()
        .code(200)
        .message("OK")
        .request(request)
        .protocol(Protocol.HTTP_2)
        .build()
    assertTrue(hasBody(response))
  }

import okhttp3.internal.http2.Settings
import okio.Buffer

class MockResponse : Cloneable {
  @set:JvmName("status")
  var status: String = ""

  private var headersBuilder = Headers.Builder()
  private var trailersBuilder = Headers.Builder()

  @set:JvmName("headers")
  var headers: Headers
    get() = headersBuilder.build()
    set(value) {
      this.headersBuilder = value.newBuilder()
    }

            @Nonnull ProtoSession session,
            @Nullable Source installationSettingsSource,
            @Nullable Source projectSettingsSource,
            @Nullable Source userSettingsSource) {
        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .installationSettingsSource(installationSettingsSource)
                .projectSettingsSource(projectSettingsSource)

        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setModelSource(new StringModelSource(BASE1));
        request.setModelResolver(new CycleInImportsResolver());

        assertThrows(ModelBuildingException.class, () -> builder.build(request));
    }