with OkHttp 3.x: must use `object :` with OkHttp 4.x:

Kotlin calling OkHttp 3.x:

```kotlin
val client = OkHttpClient.Builder()
    .dns { hostname -> InetAddress.getAllByName(hostname).toList() }
    .build()
```

Kotlin calling OkHttp 4.x:

```kotlin
val client = OkHttpClient.Builder()
    .dns(object : Dns {
      override fun lookup(hostname: String) =

    suite.addTestSuite(MutableClassToInstanceMapTest.class);

    suite.addTest(
        MapTestSuiteBuilder.using(
                new TestClassToInstanceMapGenerator() {
                  // Other tests will verify what real, warning-free usage looks like
                  // but here we have to do some serious fudging
                  @Override
                  @SuppressWarnings({"unchecked", "rawtypes"})

      return asInt();
    }
    // If we have less than 4 bytes, use them all.
    byte[] bytes = getBytesInternal();
    int val = bytes[0] & 0xFF;
    for (int i = 1; i < bytes.length; i++) {
      val |= (bytes[i] & 0xFF) << (i * 8);
    }
    return val;
  }

  /**
   * Returns a string containing each byte of {@link #asBytes}, in order, as a two-digit unsigned
   * hexadecimal number in lower case.

    suite.addTestSuite(ImmutableTypeToInstanceMapTest.class);

    suite.addTest(
        MapTestSuiteBuilder.using(
                new TestTypeToInstanceMapGenerator() {
                  // Other tests will verify what real, warning-free usage looks like
                  // but here we have to do some serious fudging
                  @Override
                  @SuppressWarnings({"unchecked", "rawtypes"})

    }

    @Override
    protected Executor executor() {
      transitionStates.add(state());
      return directExecutor();
    }
  }

  // Functional tests using real thread. We only verify publicly visible state.
  // Interaction assertions are done by the single-threaded unit tests.

  private static class DefaultService extends AbstractIdleService {
    @Override

 * limitations under the License.
 */
package okhttp3.internal.http2

/** http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-7 */
enum class ErrorCode constructor(
  val httpCode: Int,
) {
  /** Not an error!  */
  NO_ERROR(0),

  PROTOCOL_ERROR(1),

  INTERNAL_ERROR(2),

  FLOW_CONTROL_ERROR(3),

  SETTINGS_TIMEOUT(4),

  STREAM_CLOSED(5),

    openapi = app.openapi()
    body_model_name = get_body_model_name(openapi, path)

    assert app.openapi()["components"]["schemas"][body_model_name] == {
        "properties": {
            "p_val_alias": {"title": "P Val Alias", "type": "string"},
        },
        "required": ["p_val_alias"],
        "title": body_model_name,
        "type": "object",
    }


@pytest.mark.parametrize("json", [None, {}])

                        "type": "array",
                        "items": {"type": "string", "format": "binary"},
                    },
                    {"type": "null"},
                ],
                "title": "P Val Alias",
            }
        },
        "title": body_model_name,
        "type": "object",
    }


@pytest.mark.parametrize(
    "path",
    [

    /**
     * A DNS that uses [InetAddress.getAllByName] to ask the underlying operating system to
     * lookup IP addresses. Most custom [Dns] implementations should delegate to this instance.
     */
    @JvmField
    val SYSTEM: Dns = DnsSystem()

    private class DnsSystem : Dns {
      override fun lookup(hostname: String): List<InetAddress> {
        try {
          return InetAddress.getAllByName(hostname).toList()

    connection: Connection,
    call: Call,
  ) {}

  /**
   * Invoked when a connection is marked for no new exchanges.
   */
  open fun noNewExchanges(connection: Connection) {}

  companion object {
    val NONE: ConnectionListener = object : ConnectionListener() {}
  }