```kotlin
    implementation("com.squareup.okio:okio:2.4.3")
    ```

 *  Fix: Limit retry attempts for HTTP/2 `REFUSED_STREAM` and `CANCEL` failures.
 *  Fix: Retry automatically when incorrectly sharing a connection among multiple hostnames. OkHttp
    shares connections when hosts share both IP addresses and certificates, such as `squareup.com`
    and `www.squareup.com`. If a server refuses such sharing it will return HTTP 421 and OkHttp will

  /**
   * We had a bug where we attempted to gunzip responses that didn't have a body. This only came up
   * with 304s since that response code can include headers (like "Content-Encoding") without any
   * content to go along with it. https://github.com/square/okhttp/issues/358
   */
  @Test
  fun noTransparentGzipFor304NotModified() {
    server.enqueue(
      MockResponse.Builder()
        .clearHeaders()

import okhttp3.internal.assertHeld
import okhttp3.internal.concurrent.TaskRunner.Companion.INSTANCE
import okhttp3.internal.okHttpName
import okhttp3.internal.threadFactory

/**
 * A set of worker threads that are shared among a set of task queues.
 *
 * Use [INSTANCE] for a task runner that uses daemon threads. There is not currently a shared
 * instance for non-daemon threads.
 *

        if (expectedClass.isInstance(failure)) {
          found = true
          break
        }
      }
      assertThat(
        found,
        "Expected exception type among ${allowedExceptionTypes.contentToString()}, got $failure",
      ).isTrue()
    }

  fun assertFailure(vararg messages: String) =
    apply {
      assertThat(failure, "No failure found").isNotNull()