@Override
          public ListenableFuture<String> apply(String s) throws Exception {
            inFunction.countDown();
            try {
              shouldCompleteFunction.await();
            } catch (InterruptedException expected) {
              gotException.countDown();
              throw expected;
            }
            return immediateFuture("a");
          }
        };

          @Override
          public ListenableFuture<String> apply(String s) throws Exception {
            inFunction.countDown();
            try {
              shouldCompleteFunction.await();
            } catch (InterruptedException expected) {
              gotException.countDown();
              throw expected;
            }
            return immediateFuture("a");
          }
        };

          throw new RuntimeException(e);
        }
        doneSignal.countDown();
      }
    }.start();

    try {
      computingSignal.await();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }

    map.put(one, two);
    assertSame(two, map.get(one));
    startSignal.countDown();

    try {
      doneSignal.await();

          throw new RuntimeException(e);
        }
        doneSignal.countDown();
      }
    }.start();

    try {
      computingSignal.await();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }

    map.put(one, two);
    assertSame(two, map.get(one));
    startSignal.countDown();

    try {
      doneSignal.await();

    listener =
      object : RecordingEventListener() {
        override fun requestHeadersEnd(
          call: Call,
          request: Request,
        ) {
          requestFinished.countDown()
          super.responseHeadersStart(call)
        }
      }
    client =
      client.newBuilder()
        .dns(DoubleInetAddressDns())
        .eventListenerFactory(clientTestRule.wrap(listener))

      }
      for (Map.Entry<Closeable, Executor> entry : entrySet()) {
        closeQuietly(entry.getKey(), entry.getValue());
      }
      clear();
      if (whenClosed != null) {
        whenClosed.countDown();
      }
    }

    void add(@CheckForNull Closeable closeable, Executor executor) {
      checkNotNull(executor);
      if (closeable == null) {
        return;
      }