return Signature.getInstance(tbsCertificate.signatureAlgorithmName).run {
      initVerify(issuer)
      update(signedData.toByteArray())
      verify(signatureValue.byteString.toByteArray())
    }
  }

  fun toX509Certificate(): X509Certificate {
    val data = CertificateAdapters.certificate.toDer(this)
    try {

      length: Int,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_DATA
      this.inFinished = inFinished
      this.streamId = streamId
      this.data = source.readByteString(length.toLong()).toByteArray()
    }

    override fun rstStream(
      streamId: Int,
      errorCode: ErrorCode,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_RST_STREAM
      this.streamId = streamId

          "yDEQ5fUVYBmJAKXZF1aoI0mIoEx0xFsQhIJ637v2MxJDupd61wIDAQAB"
      )
        .decodeBase64()!!
    val publicKey =
      keyFactory.generatePublic(
        X509EncodedKeySpec(publicKeyBytes.toByteArray()),
      )
    val privateKeyBytes =
      (
        "MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBAICkUeG2stqfbyr6gyiVm" +

    assertThat(request.body).isNull()
    assertThat(request.tags).isEmpty()
  }

  @Test
  fun string() {
    val contentType = "text/plain; charset=utf-8".toMediaType()
    val body = "abc".toByteArray().toRequestBody(contentType)
    assertThat(body.contentType()).isEqualTo(contentType)
    assertThat(body.contentLength()).isEqualTo(3)
    assertThat(bodyToHex(body)).isEqualTo("616263")

    )
    val startNanos = System.nanoTime()
    val connection = server.url("/").toUrl().openConnection()
    connection.setDoOutput(true)
    connection.getOutputStream().write("ABCDEF".toByteArray(StandardCharsets.UTF_8))
    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos

      val signature =
        Signature.getInstance(tbsCertificate.signatureAlgorithmName).run {
          initSign(issuerKeyPair.private)
          update(CertificateAdapters.tbsCertificate.toDer(tbsCertificate).toByteArray())
          sign().toByteString()
        }

      // Complete signed certificate.
      val certificate =
        Certificate(
          tbsCertificate = tbsCertificate,

                "file; filename=\"file2.gif\"",
                "Content-Transfer-Encoding",
                "binary",
              ),
              "... contents of file2.gif ...".toByteArray(StandardCharsets.UTF_8)
                .toRequestBody("image/gif".toMediaType()),
            )
            .build(),
        )
        .build()
    assertThat(body.boundary).isEqualTo("AaB03x")

      .isEqualTo("abc")
    assertFailsWith<IllegalStateException> {
      sinkReference.get().flush()
    }
    assertFailsWith<IllegalStateException> {
      sinkReference.get().write("ghi".toByteArray())
      sinkReference.get().emit()
    }
  }

  @Test
  fun getHeadersThrows() {
    server.enqueue(MockResponse(socketPolicy = SocketPolicy.DisconnectAtStart))

     */
    @JvmStatic
    @JvmName("create")
    fun String.toRequestBody(contentType: MediaType? = null): RequestBody {
      val (charset, finalContentType) = contentType.chooseCharset()
      val bytes = toByteArray(charset)
      return bytes.toRequestBody(finalContentType, 0, bytes.size)
    }

    @JvmStatic
    @JvmName("create")

    }

    // Break apart the domain into UTF-8 labels, i.e. foo.bar.com turns into [foo, bar, com].
    val domainLabelsUtf8Bytes = Array(domainLabels.size) { i -> domainLabels[i].toByteArray() }

    // Start by looking for exact matches. We start at the leftmost label. For example, foo.bar.com
    // will look like: [foo, bar, com], [bar, com], [com]. The longest matching rule wins.