}
        }
        return plan.handleSuccess()
      } catch (e: IOException) {
        if (firstException == null) {
          firstException = e
        } else {
          firstException.addSuppressed(e)
        }
        if (!routePlanner.hasNext()) {
          throw firstException
        }
      }
    }
  }

        if (allAddresses.isEmpty()) {
          val first = allExceptions.firstOrNull() ?: UnknownHostException("No results for $hostname")

          allExceptions.drop(1).forEach {
            first.addSuppressed(it)
          }

          throw first
        }

        allAddresses
      }
  }

        openKotlinCompilationUnitsByRoot.clear()
        if (errors.isNotEmpty()) {
            throw Exception("Sources repository did not close cleanly").apply {
                errors.forEach(this::addSuppressed)
            }
        }
    }

    /**
     * @return the source file and it's source root
     */
    fun sourceFileAndSourceRootFor(sourceFilePath: String): Pair<File, File> =

        if (throwable != null) {
          if (throwable !is IOException) throw throwable
          if (firstException == null) {
            firstException = throwable
          } else {
            firstException.addSuppressed(throwable)
          }
        }

        val nextPlan = connectResult.nextPlan
        if (nextPlan != null) {
          // Try this plan's successor before deferred plans because it won the race!

        )
      }
      return response
    } catch (e: IOException) {
      if (sendRequestException != null) {
        sendRequestException.addSuppressed(e)
        throw sendRequestException
      }
      throw e
    }
  }

  private fun shouldIgnoreAndWaitForRealResponse(
    code: Int,
    exchange: Exchange,
  ): Boolean =
    when {

      throw failure
    }

    val unknownHostException = UnknownHostException(hostname)
    unknownHostException.initCause(failure)

    for (i in 1 until failures.size) {
      unknownHostException.addSuppressed(failures[i])
    }

    throw unknownHostException
  }

  private fun getCacheOnlyResponse(request: Request): Response? {
    if (client.cache != null) {
      try {

        val addresses = Dns.SYSTEM.lookup(hostname)
        listOf(addresses[0])
      }

    private operator fun Throwable?.plus(throwable: Throwable): Throwable {
      if (this != null) {
        addSuppressed(throwable)
        return this
      }
      return throwable
    }
  }

internal fun <E> MutableList<E>.addIfAbsent(element: E) {
  if (!contains(element)) add(element)
}

internal fun Exception.withSuppressed(suppressed: List<Exception>): Throwable =
  apply {
    for (e in suppressed) addSuppressed(e)
  }

internal inline fun <T> Iterable<T>.filterList(predicate: T.() -> Boolean): List<T> {
  var result: List<T> = emptyList()
  for (i in this) {
    if (predicate(i)) {

          }
        } catch (t: Throwable) {
          cancel()
          if (!signalledCallback) {
            val canceledException = IOException("canceled due to $t")
            canceledException.addSuppressed(t)
            responseCallback.onFailure(this@RealCall, canceledException)
          }
          throw t
        } finally {
          client.dispatcher.finished(this)
        }
      }
    }
  }