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

@OptIn(ExperimentalContracts::class)
inline fun <T> Lockable.withLock(action: () -> T): T {
  contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
  return synchronized(this, action)

import okhttp3.Route
import okhttp3.internal.USER_AGENT
import okhttp3.internal.canReuseConnectionFor
import okhttp3.internal.closeQuietly
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(
  private val taskRunner: TaskRunner,

import javax.net.ssl.SSLSocketFactory
import okhttp3.internal.RecordingOkAuthenticator
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.CallConnectionUser
import okhttp3.internal.connection.ConnectionListener
import okhttp3.internal.connection.FastFallbackExchangeFinder
import okhttp3.internal.connection.RealCall

import okhttp3.Request
import okhttp3.TestUtil.awaitGarbageCollection
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.TaskRunner.RealBackend
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.http2.Http2
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2ConnectionTest
import okhttp3.internal.http2.MockHttp2Peer
import okhttp3.internal.http2.Settings

import java.util.logging.LogManager
import java.util.logging.LogRecord
import java.util.logging.Logger
import okhttp3.internal.buildConnectionPool
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.RealConnectionPool
import okhttp3.internal.http2.Http2
import okhttp3.internal.taskRunnerInternal
import okhttp3.testing.Flaky
import okhttp3.testing.PlatformRule.Companion.LOOM_PROPERTY

import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.notifyAll
import okhttp3.internal.concurrent.wait
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.asBufferedSocket
import okio.AsyncTimeout
import okio.Buffer
import okio.BufferedSource
import okio.Source
import okio.buffer
import org.junit.jupiter.api.AfterEach