*/
package okhttp3

import java.net.MalformedURLException
import java.net.URI
import java.net.URISyntaxException
import java.net.URL
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.internal.canParseAsIpAddress
import okhttp3.internal.delimiterOffset
import okhttp3.internal.indexOfFirstNonAsciiWhitespace

 * limitations under the License.
 */
package okhttp3

import java.net.URL
import kotlin.reflect.KClass
import kotlin.reflect.cast
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.internal.http.GzipRequestBody
import okhttp3.internal.http.HttpMethod
import okhttp3.internal.isSensitiveHeader

/**

          if (!response.isSuccessful) throw IOException("Unexpected code $response")

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

      companion object {
        val MEDIA_TYPE_MARKDOWN = "text/x-markdown; charset=utf-8".toMediaType()
      }
    ```
=== ":material-language-java: Java"
    ```java
      public static final MediaType MEDIA_TYPE_MARKDOWN

import okhttp3.internal.ws.WebSocketProtocol.validateCloseCode
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import okio.ByteString.Companion.toByteString
import okio.Socket

class RealWebSocket(
  taskRunner: TaskRunner,
  /** The application's original request unadulterated by web socket headers. */

  override fun newSslSocketFactory(trustManager: X509TrustManager): SSLSocketFactory =
    newSSLContext()
      .apply {
        init(null, arrayOf<TrustManager>(trustManager), null)
      }.socketFactory

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.

import kotlin.test.assertFailsWith
import mockwebserver3.SocketEffect.CloseSocket
import okhttp3.Headers
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.RecordingHostnameVerifier
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates

import assertk.assertThat
import assertk.assertions.containsExactly
import assertk.assertions.isEqualTo
import java.time.Instant
import java.util.Date
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.toHeaders
import org.junit.jupiter.api.Test

class HeadersJvmTest {
  @Test fun byteCount() {
    assertThat(Headers.EMPTY.byteCount()).isEqualTo(0L)
    assertThat(
      Headers
        .Builder()

    val toInterrupt = Thread.currentThread()
    val interruptingCow =
      Thread {
        sleep(delayMillis)
        toInterrupt.interrupt()
      }
    interruptingCow.start()
  }

  companion object {
    // The size of the socket buffers in bytes.
    private const val SOCKET_BUFFER_SIZE = 256 * 1024
  }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.ws

import okio.Buffer
import okio.ByteString.Companion.encodeUtf8

object WebSocketProtocol {
  /** Magic value which must be appended to the key in a response header. */
  internal const val ACCEPT_MAGIC = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"

  /*

 * limitations under the License.
 */
package okhttp3.internal.ws

import assertk.assertThat
import assertk.assertions.isEqualTo
import okhttp3.Headers.Companion.headersOf
import org.junit.jupiter.api.Test

class WebSocketExtensionsTest {
  @Test
  fun emptyHeader() {
    assertThat(parse("")).isEqualTo(WebSocketExtensions())
  }

  @Test