fun correctContentType() {
    val body = "Body"
    val requestBody = body.toRequestBody(MediaType("text/plain", "text", "plain", arrayOf()))

    val contentType = requestBody.contentType()!!

    assertThat(contentType.mediaType).isEqualTo("text/plain; charset=utf-8")
    assertThat(contentType.parameter("charset")).isEqualTo("utf-8")
  }

			}
			if testCase.result.ContentType != result.ContentType {
				t.Errorf("Test %d: %s: Expected Content Type of the object to be %v, but instead found it to be %v", i+1, instanceType, testCase.result.ContentType, result.ContentType)
			}
			if testCase.result.IsDir != result.IsDir {

      | * EventSourceListener
      | * WebSocketListener
      |(It is safe to call contentType() and contentLength() on these response bodies.)
      """.trimMargin(),
    )

  override fun timeout() = Timeout.NONE

  override fun close() {
  }
}

fun Response.stripBody(): Response =
  newBuilder()
    .body(UnreadableResponseBody(body.contentType(), body.contentLength()))

     * @param text The text content to write.
     * @param contentType The content type for the response.
     * @param encoding The character encoding for the response.
     */
    protected void write(final String text, final String contentType, final String encoding) {
        final StringBuilder buf = new StringBuilder(50);
        if (contentType == null) {
            buf.append("text/plain");
        } else {

        .Builder("123")
        .addPart("Hello, World!".toRequestBody(null))
        .build()
    assertThat(body.boundary).isEqualTo("123")
    assertThat(body.type).isEqualTo(MultipartBody.MIXED)
    assertThat(body.contentType().toString())
      .isEqualTo("multipart/mixed; boundary=123")
    assertThat(body.parts.size).isEqualTo(1)
    assertThat(body.contentLength()).isEqualTo(33L)
    val buffer = Buffer()
    body.writeTo(buffer)

  }

  @Test
  fun stringClosesUnderlyingSource() {
    val closed = AtomicBoolean()
    val body: ResponseBody =
      object : ResponseBody() {
        override fun contentType(): MediaType? = null

        override fun contentLength(): Long = 5

        override fun source(): BufferedSource {
          val source = Buffer().writeUtf8("hello")

    val userRequest = chain.request()
    val requestBuilder = userRequest.newBuilder()

    val body = userRequest.body
    if (body != null) {
      val contentType = body.contentType()
      if (contentType != null) {
        requestBuilder.header("Content-Type", contentType.toString())
      }

      val contentLength = body.contentLength()
      if (contentLength != -1L) {

      } else {
        listener.onClosed(this)
      }
    }
  }

  private fun ResponseBody.isEventStream(): Boolean {
    val contentType = contentType() ?: return false
    return contentType.type == "text" && contentType.subtype == "event-stream"
  }

  override fun onFailure(
    call: Call,
    e: IOException,
  ) {
    listener.onFailure(this, e, null)
  }

open class ForwardingResponseBody(
  delegate: ResponseBody?,
) : ResponseBody() {
  private val delegate: ResponseBody

  fun delegate(): ResponseBody = delegate

  override fun contentType(): MediaType? = delegate.contentType()

  override fun contentLength(): Long = delegate.contentLength()

  override fun source(): BufferedSource = delegate.source()

            }

            String contentType = null;
            final Header contentTypeHeader = response.getFirstHeader("Content-Type");
            if (contentTypeHeader != null) {
                contentType = contentTypeHeader.getValue();
                final int idx = contentType.indexOf(';');
                if (idx > 0) {
                    contentType = contentType.substring(0, idx);