@Override public long contentLength() {
        return -1; // We don't know the compressed length in advance!
      }

      @Override public void writeTo(BufferedSink sink) throws IOException {
        BufferedSink gzipSink = Okio.buffer(new GzipSink(sink));
        body.writeTo(gzipSink);
        gzipSink.close();
      }
    };
  }
}
```

### Rewriting Responses

    } else {
      javaNetSocket.soTimeout = chain.readTimeoutMillis()
      okHttpSocket.source.timeout().timeout(chain.readTimeoutMillis.toLong(), MILLISECONDS)
      okHttpSocket.sink.timeout().timeout(chain.writeTimeoutMillis.toLong(), MILLISECONDS)
      Http1ExchangeCodec(client, this, okHttpSocket)
    }
  }

  internal fun useAsSocket() {
    javaNetSocket.soTimeout = 0

      nameValues[i++] = string
    }
    return headerEntries(*nameValues)
  }

  private fun writeMedium(
    sink: BufferedSink,
    i: Int,
  ) {
    sink.writeByte(i ushr 16 and 0xff)
    sink.writeByte(i ushr 8 and 0xff)
    sink.writeByte(i and 0xff)
  }

        // that it will almost certainly fail because the proxy has sent unexpected data.
        if (!socket.source.buffer.exhausted() || !socket.sink.buffer.exhausted()) {
          throw IOException("TLS tunnel buffered too many bytes!")
        }

        call.eventListener.secureConnectStart(call)

        // Create the wrapper over the connected socket.

import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @param <S> the source or sink type
 * @param <T> the data type (byte[] or String)
 * @param <F> the factory type
 * @author Colin Decker
 */
@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).
@NullUnmarked

    val extensions = this.extensions!!
    synchronized(this) {
      this.name = name
      this.socket = socket
      this.writer =
        WebSocketWriter(
          isClient = client,
          sink = socket.sink,
          random = random,
          perMessageDeflate = extensions.perMessageDeflate,
          noContextTakeover = extensions.noContextTakeover(client),
          minimumDeflateSize = minimumDeflateSize,

            override fun contentLength() = 1024L * 1024L * 100L

            override fun writeTo(sink: BufferedSink) {
              val a1024x1024 = "a".repeat(1024 * 1024)
              repeat(100) {
                sink.writeUtf8(a1024x1024)
              }
            }
          },
        ).build()
    val buffer = Buffer()
    multipartBody.writeTo(buffer)

    override fun read(
      sink: Buffer,
      byteCount: Long,
    ): Long {
      while (left == 0) {
        source.skip(padding.toLong())
        padding = 0
        if (flags and FLAG_END_HEADERS != 0) return -1L
        readContinuationHeader()
        // TODO: test case for empty continuation header?
      }

      val read = source.read(sink, minOf(byteCount, left.toLong()))

 * multiple simultaneous reads.)
 *
 * @param file a file in the directory to check. This file shouldn't already exist!
 */
internal fun FileSystem.isCivilized(file: Path): Boolean {
  sink(file).use {
    try {
      delete(file)
      return true
    } catch (_: IOException) {
    }
  }
  delete(file)
  return false
}

/** Delete file we expect but don't require to exist. */

    set("k1", "a", "a")

    // Create an editor, then detach it.
    val editor = cache.edit("k1")!!
    editor.newSink(0).buffer().use { sink ->
      cache.evictAll()

      // Complete the original edit. It goes into a black hole.
      sink.writeUtf8("bb")
    }
    assertThat(cache["k1"]).isNull()
  }

  @Test
  fun `edit discarded after editor detached with concurrent write`() {