* Connections will still be closed if they idle beyond the keep-alive but will be replaced.
     */
    @JvmField val minimumConcurrentCalls: Int = 0,
    /** How long to wait to retry pre-emptive connection attempts that fail. */
    @JvmField val backoffDelayMillis: Long = 60 * 1000,
    /** How much jitter to introduce in connection retry backoff delays */

            if (sourcePos != upstreamPos) break

            // No more data upstream. We're done.
            if (complete) return -1L

            // Another thread is already reading. Wait for that.
            if (upstreamReader != null) {
              timeout.waitUntilNotified(this@Relay)
              continue
            }

            // We will do the read.

          connectResult = launchTcpConnect()
          nextTcpConnectAtNanos = now + connectDelayNanos
          awaitTimeoutNanos = connectDelayNanos
        }

        // Wait for an in-flight connect to complete or fail.
        if (connectResult == null) {
          connectResult = awaitTcpConnect(awaitTimeoutNanos, TimeUnit.NANOSECONDS) ?: continue
        }

          i.remove()
          return recordedResponse
        }
      }
      val nowMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime())
      if (nowMillis >= timeoutMillis) break
      (this as Object).wait(timeoutMillis - nowMillis)
    }

    throw AssertionError("Timed out waiting for response to $url")
  }

  companion object {
    val TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(10)
  }

    override fun coordinatorNotify(taskRunner: TaskRunner) {
      taskRunner.condition.signal()
    }

    /**
     * Wait a duration in nanoseconds. Unlike [java.lang.Object.wait] this interprets 0 as
     * "don't wait" instead of "wait forever".
     */
    @Throws(InterruptedException::class)
    @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
    override fun coordinatorWait(

#### Http2Stream

This lock guards the internal state of each stream. As above, it is never held for blocking operations. When we need to hold an application thread to block a read, we use wait/notify on this lock. This works because the lock is released while `wait()` is waiting.

#### Http2Writer

    ```
    git commit -am "Prepare for release $RELEASE_VERSION."
    git tag -a parent-$RELEASE_VERSION -m "Version $RELEASE_VERSION"
    git push && git push --tags
    ```

5. Wait for [GitHub Actions][github_actions] to start the publish job.

6. Prepare for ongoing development and push to GitHub.

    ```
    sed -i "" \
      "s/version = \".*\"/version = \"$NEXT_VERSION\"/g" \

internal fun Int.toHexString(): String = Integer.toHexString(this)

@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "NOTHING_TO_INLINE")
internal inline fun Any.wait() = (this as Object).wait()

@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "NOTHING_TO_INLINE")
internal inline fun Any.notify() = (this as Object).notify()

@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "NOTHING_TO_INLINE")

    try {
      exchange.writeRequestHeaders(request)

      if (HttpMethod.permitsRequestBody(request.method) && requestBody != null) {
        // If there's a "Expect: 100-continue" header on the request, wait for a "HTTP/1.1 100
        // Continue" response before transmitting the request body. If we don't get that, return
        // what we did get (such as a 4xx response) without ever transmitting the request body.

import okhttp3.ExperimentalOkHttpApi

/** Handler for mock server requests. */
@ExperimentalOkHttpApi
abstract class Dispatcher {
  /**
   * Returns a response to satisfy `request`. This method may block (for instance, to wait on
   * a CountdownLatch).
   */
  @Throws(InterruptedException::class)
  abstract fun dispatch(request: RecordedRequest): MockResponse

  /**