override fun contains(element: Protocol?): Boolean {
          if (element == null) throw NullPointerException()
          return super.contains(element)
        }

        override fun indexOf(element: Protocol?): Int {
          if (element == null) throw NullPointerException()
          return super.indexOf(element)
        }
      } as List<Protocol>
    val client =
      OkHttpClient.Builder()

      return new ForwardingSource(source) {
        long totalBytesRead = 0L;

        @Override public long read(Buffer sink, long byteCount) throws IOException {
          long bytesRead = super.read(sink, byteCount);
          // read() returns the number of bytes read, or -1 if this source is exhausted.
          totalBytesRead += bytesRead != -1 ? bytesRead : 0;

      override fun sink(
        file: Path,
        mustCreate: Boolean,
      ): Sink {
        file.parent?.let {
          createDirectories(it)
        }
        return super.sink(file, mustCreate)
      }
    }

  /** The maximum number of bytes that this cache should use to store its data. */
  @get:Synchronized @set:Synchronized
  var maxSize: Long = maxSize
    set(value) {

            // and resetting the stream.
            duplexResponseSent.await()
          } catch (e: InterruptedException) {
            throw AssertionError()
          }
          super.responseHeadersEnd(call, response)
        }
      }
    client =
      client.newBuilder()
        .eventListener(listener)
        .build()
    val body =
      MockStreamHandler()

        )
      }
      try {
        super.write(source, byteCount)
        this.bytesReceived += byteCount
      } catch (e: IOException) {
        throw complete(e)
      }
    }

    @Throws(IOException::class)
    override fun flush() {
      try {
        super.flush()
      } catch (e: IOException) {
        throw complete(e)
      }
    }

    } catch (e: NoSuchMethodException) {
      super.buildTrustRootIndex(trustManager)
    }

  override fun getHandshakeServerNames(sslSocket: SSLSocket): List<String> {
    // The superclass implementation requires APIs not available until API 24+.
    if (Build.VERSION.SDK_INT < 24) return listOf()
    return super.getHandshakeServerNames(sslSocket)
  }

  /**

import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.Response
import okio.IOException

class MainActivity : ComponentActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)

    val client = OkHttpClient()

    val url = "https://github.com/square/okhttp".toHttpUrl()
    println(url.topPrivateDomain())

    client.newCall(Request(url)).enqueue(

    if (result == DEAD_LETTER) responseQueue.add(DEAD_LETTER)

    return result
  }

  override fun peek(): MockResponse {
    return responseQueue.peek() ?: failFastResponse ?: super.peek()
  }

  open fun enqueueResponse(response: MockResponse) {
    responseQueue.add(response)
  }

  open fun clear() {
    responseQueue.clear()
  }

  override fun shutdown() {

          val source = Buffer().writeUtf8("hello")
          return object : ForwardingSource(source) {
            override fun close() {
              closed = true
              super.close()
            }
          }.buffer()
        }
      }
    body.source().close()
    assertThat(closed).isTrue()
  }

  @Test
  fun throwingUnderlyingSourceClosesQuietly() {