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,

  private val socketReadTimeoutMillis: Int,
  private val pingIntervalMillis: Int,
  private val retryOnConnectionFailure: Boolean,
  private val call: RealCall,
  private val routePlanner: RealRoutePlanner,
  // Specifics to this plan.
  override val route: Route,
  internal val routes: List<Route>?,
  private val attempt: Int,
  private val tunnelRequest: Request?,
  internal val connectionSpecIndex: Int,

          "please call response.close()"
      }
      check(!requestBodyOpen && !socketSourceOpen && !socketSinkOpen)
    }

    if (newRoutePlanner) {
      val routePlanner =
        RealRoutePlanner(
          taskRunner = client.taskRunner,
          connectionPool = chain.connectionPool.delegate,
          readTimeoutMillis = chain.readTimeoutMillis,
          writeTimeoutMillis = chain.writeTimeoutMillis,