return null
        }

        override fun contentLength(): Long {
          return Int.MAX_VALUE + 1L
        }

        override fun source(): BufferedSource {
          throw AssertionError()
        }
      }
    assertFailsWith<IOException> {
      body.bytes()
    }.also { expected ->
      assertThat(expected.message).isEqualTo(

    try {
      return newSSLContext().apply {
        init(null, arrayOf<TrustManager>(trustManager), null)
      }.socketFactory
    } catch (e: GeneralSecurityException) {
      throw AssertionError("No System TLS: $e", e) // The system has no TLS. Just give up.
    }
  }

  override fun toString(): String = javaClass.simpleName

  companion object {
    @Volatile private var platform = findPlatform()

  if (assertionsEnabled && !this.isHeldByCurrentThread) {
    throw AssertionError("Thread ${Thread.currentThread().name} MUST hold lock on $this")
  }
}

@Suppress("NOTHING_TO_INLINE")
internal inline fun Any.assertThreadHoldsLock() {
  if (assertionsEnabled && !Thread.holdsLock(this)) {
    throw AssertionError("Thread ${Thread.currentThread().name} MUST hold lock on $this")
  }
}

    if (address.size == 16) return inet6AddressToAscii(address)
    if (address.size == 4) return inet4AddressToAscii(address) // An IPv4-mapped IPv6 address.
    throw AssertionError("Invalid IPv6 address: '$host'")
  }

  val result = idnToAscii(host) ?: return null
  if (result.isEmpty()) return null
  if (result.containsInvalidHostnameAsciiCodes()) return null

    if (assertionsEnabled && !taskRunner.lock.isHeldByCurrentThread) {
      throw AssertionError("Thread ${Thread.currentThread().name} MUST hold lock on $this")
    }
  }

  @Suppress("NOTHING_TO_INLINE")
  internal inline fun Any.assertThreadDoesntHoldLock() {
    if (assertionsEnabled && taskRunner.lock.isHeldByCurrentThread) {
      throw AssertionError("Thread ${Thread.currentThread().name} MUST NOT hold lock on $this")
    }
  }

    try {
      ensureAllConnectionsReleased()
      releaseClient()
    } catch (ae: AssertionError) {
      result += ae
    }

    try {
      if (taskQueuesWereIdle) {
        ensureAllTaskQueuesIdle()
      }
    } catch (ae: AssertionError) {
      result += ae
    }

    if (result != null) throw result
  }

  private fun releaseClient() {

          Interceptor { chain: Interceptor.Chain? ->
            try {
              ready.countDown()
              waiting.await()
            } catch (e: InterruptedException) {
              throw AssertionError()
            }
            throw IOException()
          },
        )
        .build()
    val a1 = client.newCall(newRequest("http://a/1"))
    val a2 = client.newCall(newRequest("http://a/2"))

        arrayOf<KeyManager>(keyManager),
        arrayOf<TrustManager>(trustManager),
        SecureRandom(),
      )
      sslContext.socketFactory
    } catch (e: GeneralSecurityException) {
      throw AssertionError(e)
    }
  }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          try {
            Thread.sleep(500)
          } catch (e: InterruptedException) {
            throw AssertionError()
          }
          assertFailsWith<IOException> {
            response.body.source().readUtf8()
          }.also { expected ->
            exceptionRef.set(expected)
            latch.countDown()

          }
          "sha1" -> {
            if (sha1 == null) sha1 = peerCertificate.sha1Hash()
            if (pin.hash == sha1) return // Success!
          }
          else -> throw AssertionError("unsupported hashAlgorithm: ${pin.hashAlgorithm}")
        }
      }
    }

    // If we couldn't find a matching pin, format a nice exception.
    val message =
      buildString {