import okhttp3.internal.http.ExchangeCodec
import okhttp3.internal.http1.Http1ExchangeCodec
import okhttp3.internal.platform.Platform
import okhttp3.internal.tls.OkHostnameVerifier
import okhttp3.internal.toHostHeader

/**
 * A single attempt to connect to a remote server, including these steps:
 *
 *  * [TCP handshake][connectSocket]
 *  * Optional [CONNECT tunnels][connectTunnel]. When using an HTTP proxy to reach an HTTPS server

import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.RoutePlanner.Plan
import okhttp3.internal.platform.Platform
import okhttp3.internal.toHostHeader

class RealRoutePlanner internal constructor(
  private val taskRunner: TaskRunner,
  private val connectionPool: RealConnectionPool,
  private val readTimeoutMillis: Int,
  private val writeTimeoutMillis: Int,