*/
  static final class TypeVariableKey {
    private final TypeVariable<?> var;

    TypeVariableKey(TypeVariable<?> var) {
      this.var = checkNotNull(var);
    }

    @Override
    public int hashCode() {
      return Objects.hash(var.getGenericDeclaration(), var.getName());
    }

    @Override
    public boolean equals(@Nullable Object obj) {

   * processing an event.
   *
   * @return false when EOF is reached
   */
  @Throws(IOException::class)
  fun processNextEvent(): Boolean {
    var id = lastId
    var type: String? = null
    val data = Buffer()

    while (true) {
      when (source.select(options)) {
        in 0..2 -> {
          completeEvent(id, type, data)
          return true
        }

  private val server = MockWebServer()

  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()
  private val eventListener = RecordingEventListener()
  private val listener = EventSourceRecorder()
  private var client =
    clientTestRule
      .newClientBuilder()
      .eventListenerFactory(clientTestRule.wrap(eventListener))
      .build()

  @AfterEach
  fun after() {
    listener.assertExhausted()
  }