import okio.BufferedSink
import okio.BufferedSource
import okio.buffer
import okio.sink
import okio.source
import okio.use

/**
 * A limited implementation of SOCKS Protocol Version 5, intended to be similar to MockWebServer.
 * See [RFC 1928](https://www.ietf.org/rfc/rfc1928.txt).
 */
class SocksProxy {
  private val executor = Executors.newCachedThreadPool(threadFactory("SocksProxy"))
  private var serverSocket: ServerSocket? = null

import java.util.concurrent.ThreadPoolExecutor
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicReference
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketEffect.ShutdownConnection
import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody

   encodedUsername, fragment, host, password, pathSegments, pathSize, port, query,
   queryParameterNames, querySize, scheme, username
 * **MockResponse**: headers, http2ErrorCode, socketPolicy, status, trailers
 * **MockWebServer**: bodyLimit, port, protocolNegotiationEnabled, protocols, requestCount,
   serverSocketFactory
 * **MultipartBody.Part**: body, headers
 * **MultipartBody.**: boundary, parts, size, type

  }

  /** Returns the negotiated protocol, or null if no protocol was negotiated. */
  open fun getSelectedProtocol(sslSocket: SSLSocket): String? = null

  /** For MockWebServer. This returns the inbound SNI names. */
  @Suppress("NewApi")
  @IgnoreJRERequirement // This function is overridden to require API >= 24.
  open fun getHandshakeServerNames(sslSocket: SSLSocket): List<String> {

import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.X509TrustManager
import kotlin.time.Duration.Companion.minutes
import kotlin.time.Duration.Companion.nanoseconds
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.CertificatePinner.Companion.pin
import okhttp3.Headers.Companion.headersOf
import okhttp3.internal.connection.ConnectionListener

import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicInteger
import kotlin.test.assertFailsWith
import mockwebserver3.Dispatcher
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.RecordedRequest
import mockwebserver3.SocketEffect.CloseSocket
import mockwebserver3.SocketEffect.Stall
import mockwebserver3.junit5.StartStop
import okhttp3.EventRecorder

import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocket
import javax.net.ssl.TrustManagerFactory
import javax.net.ssl.X509TrustManager
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.Cache
import okhttp3.Call
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectEnd

        |-----END PRIVATE KEY-----
        """.trimMargin())
    val handshakeCertificates = HandshakeCertificates.Builder()
        .heldCertificate(heldCertificate)
        .build()
    val server = MockWebServer()
    server.useHttps(handshakeCertificates.sslSocketFactory(), false)
    ```

    Get these strings with `HeldCertificate.certificatePem()` and `privateKeyPkcs8Pem()`.

import java.util.concurrent.Executors
import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart

    }

    fun assumeNotCorretto() {
      assumeTrue(getPlatformSystemProperty() != CORRETTO_PROPERTY)
    }

    fun assumeNotBouncyCastle() {
      // Most failures are with MockWebServer
      // org.bouncycastle.tls.TlsFatalAlertReceived: handshake_failure(40)
      //        at org.bouncycastle.tls.TlsProtocol.handleAlertMessage(TlsProtocol.java:241)