get() = delegate.connectionListener

  /** Close and remove all idle connections in the pool. */
  fun evictAll() {
    delegate.evictAll()
  }

  /**
   * Sets a policy that applies to [address].
   * Overwrites any existing policy for that address.
   */
  @ExperimentalOkHttpApi
  fun setPolicy(
    address: Address,
    policy: AddressPolicy,
  ) {