return
            }

          // Apply the extensions. If they're unacceptable initiate a graceful shut down.
          // TODO(jwilson): Listeners should get onFailure() instead of onClosing() + onClosed(1010).
          val extensions = WebSocketExtensions.parse(response.headers)
          ******@****.***ions = extensions
          if (!extensions.isValid()) {

    clientListener.assertOpen()
    val server = serverListener.assertOpen()
    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onClosing(
          webSocket: WebSocket,
          code: Int,
          reason: String,
        ): Unit = throw e
      },
    )
    server.close(1000, "bye")
    clientListener.assertFailure(e)

          text: String,
        ) = TODO()

        override fun onMessage(
          webSocket: WebSocket,
          bytes: ByteString,
        ) = TODO()

        override fun onClosing(
          webSocket: WebSocket,
          code: Int,
          reason: String,
        ) = TODO()

        override fun onClosed(
          webSocket: WebSocket,
          code: Int,

}

public abstract class okhttp3/WebSocketListener {
	public fun <init> ()V
	public fun onClosed (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onClosing (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onFailure (Lokhttp3/WebSocket;Ljava/lang/Throwable;Lokhttp3/Response;)V
	public fun onMessage (Lokhttp3/WebSocket;Ljava/lang/String;)V

}

public abstract class okhttp3/WebSocketListener {
	public fun <init> ()V
	public fun onClosed (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onClosing (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onFailure (Lokhttp3/WebSocket;Ljava/lang/Throwable;Lokhttp3/Response;)V
	public fun onMessage (Lokhttp3/WebSocket;Ljava/lang/String;)V

    // equal
    assertEquals(range, range.intersection(range));

    // enclosing with same start
    assertEquals(range, range.intersection(Range.closed(4, 10)));

    // enclosing with same end
    assertEquals(range, range.intersection(Range.closed(2, 8)));

    // enclosing, exterior
    assertEquals(range, range.intersection(Range.closed(2, 10)));

    // overlap above

    // equal
    assertEquals(range, range.intersection(range));

    // enclosing with same start
    assertEquals(range, range.intersection(Range.closed(4, 10)));

    // enclosing with same end
    assertEquals(range, range.intersection(Range.closed(2, 8)));

    // enclosing, exterior
    assertEquals(range, range.intersection(Range.closed(2, 10)));

    // overlap above

        EnumSetAccumulator::add,
        EnumSetAccumulator::combine,
        EnumSetAccumulator::toImmutableSet,
        Collector.Characteristics.UNORDERED);
  }

  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class EnumSetAccumulator<E extends Enum<E>> {
    @SuppressWarnings({"rawtypes", "unchecked"})

    }

    @Override
    public boolean encloses(Range<C> range) {
      if (!restriction.isEmpty() && restriction.encloses(range)) {
        Range<C> enclosing = TreeRangeSet.this.rangeEnclosing(range);
        return enclosing != null && !enclosing.intersection(restriction).isEmpty();
      }
      return false;
    }

    @Override
    public @Nullable Range<C> rangeContaining(C value) {

        // Mapping already established
        // This is possible when following both superClass -> enclosingClass
        // and enclosingclass -> superClass paths.
        // Since we follow the path of superclass first, enclosing second,
        // superclass mapping should take precedence.
        return;
      }
      // First, check whether var -> arg forms a cycle