return delegate.contentLength();
          }

          @Override public void writeTo(BufferedSink sink) throws IOException {
            BufferedSink bufferedSink = Okio.buffer(sink(sink));
            delegate.writeTo(bufferedSink);
            bufferedSink.flush();
          }

          public Sink sink(Sink sink) {
            return new ForwardingSink(sink) {

import okhttp3.CallEvent.SecureConnectEnd
import okhttp3.CallEvent.SecureConnectStart
import okhttp3.Headers.Companion.headersOf
import okhttp3.internal.duplex.AsyncRequestBody
import okhttp3.testing.PlatformRule
import okio.BufferedSink
import okio.IOException
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

      override fun contentLength(): Long = original!!.contentLength()

      override fun writeTo(sink: BufferedSink) {
        val uppercase = uppercase(sink)
        val bufferedSink = uppercase.buffer()
        original!!.writeTo(bufferedSink)
        bufferedSink.emit()
      }
    }

  private fun uppercase(original: BufferedSink): Sink =
    object : ForwardingSink(original) {
      override fun write(

 */
package okhttp3

import java.io.IOException
import java.util.UUID
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.internal.toImmutableList
import okio.Buffer
import okio.BufferedSink
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8

/**
 * An [RFC 2387][rfc_2387]-compliant request body.
 *
 * [rfc_2387]: http://www.ietf.org/rfc/rfc2387.txt
 */

 * limitations under the License.
 */
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okio.ArrayIndexOutOfBoundsException
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString.Companion.decodeHex
import okio.Closeable
import okio.FileNotFoundException
import okio.FileSystem
import okio.IOException
import okio.Options
import okio.Path

import okhttp3.internal.http2.Http2.frameLogWindowUpdate
import okhttp3.internal.writeMedium
import okio.Buffer
import okio.BufferedSink

/** Writes HTTP/2 transport frames. */
@Suppress("NAME_SHADOWING")
class Http2Writer(
  private val sink: BufferedSink,
  private val client: Boolean,
) : Closeable,
  Lockable {
  private val hpackBuffer: Buffer = Buffer()

import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.TestUtil.repeat
import okhttp3.testing.Flaky
import okio.BufferedSink
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout
import org.junit.jupiter.api.extension.RegisterExtension

@Timeout(30)
@Tag("Slow")

import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.WebSocketListener
import okhttp3.logging.HttpLoggingInterceptor.Level
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.BufferedSink
import okio.ByteString.Companion.decodeBase64
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.Assumptions
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test

import okhttp3.internal.deleteIfExists
import okhttp3.internal.isCivilized
import okhttp3.internal.okHttpName
import okhttp3.internal.platform.Platform
import okhttp3.internal.platform.Platform.Companion.WARN
import okio.BufferedSink
import okio.FileNotFoundException
import okio.FileSystem
import okio.ForwardingFileSystem
import okio.ForwardingSource
import okio.Path
import okio.Sink
import okio.Source
import okio.blackholeSink

import okhttp3.Response
import okhttp3.TestUtil.repeat
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.connection.BufferedSocket
import okhttp3.internal.ws.WebSocketExtensions.Companion.parse
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString.Companion.decodeHex
import okio.ByteString.Companion.encodeUtf8
import okio.ForwardingSink
import okio.ForwardingSource
import okio.Socket
import okio.buffer