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

import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSession
import javax.net.ssl.X509TrustManager
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.CertificatePinner.Companion.pin
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.HeldCertificate

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.mockwebserver

import java.util.concurrent.TimeUnit.MILLISECONDS
import mockwebserver3.SocketEffect
import mockwebserver3.SocketEffect.CloseSocket
import mockwebserver3.SocketEffect.CloseStream

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package okhttp3.mockwebserver

import java.util.concurrent.TimeUnit
import okhttp3.Headers
import okhttp3.WebSocketListener
import okhttp3.internal.addHeaderLenient
import okhttp3.internal.http2.Settings
import okio.Buffer

  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  @TempDir
  lateinit var tempDir: File

  @StartStop
  val server = MockWebServer()

  @StartStop
  val server2 = MockWebServer()

  private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private var client = clientTestRule.newClient()
  private var cache: Cache? = null

        |-----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 javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketEffect.ShutdownConnection
import mockwebserver3.junit5.StartStop
import okhttp3.CertificatePinner
import okhttp3.CertificatePinner.Companion.pin
import okhttp3.OkHttpClientTestRule

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

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 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.CertificatePinner
import okhttp3.CompressionInterceptor
import okhttp3.Connection
import okhttp3.DelegatingSSLSocket