@Nullable Executor nextExecutor;
  }

  /**
   * Enqueues a task to run when the previous task (if any) completes.
   *
   * <p>Cancellation does not propagate from the output future to a callable that has begun to
   * execute, but if the output future is cancelled before {@link Callable#call()} is invoked,
   * {@link Callable#call()} will not be invoked.
   */

 * continues. See {@link QueueWorker#workOnQueue} for details.
 *
 * <p>{@code RuntimeException}s thrown by tasks are simply logged and the executor keeps trucking.
 * If an {@code Error} is thrown, the error will propagate and execution will stop until it is
 * restarted by a call to {@link #execute}.
 */
@J2ktIncompatible
@GwtIncompatible
final class SequentialExecutor implements Executor {

        };
        ComponentUtil.register(searchEngineClient, "searchEngineClient");

        // OutOfMemoryError is an Error, not Exception, so it will not be caught
        // The test should expect the error to propagate
        try {
            purgeDocJob.execute();
            fail("Expected OutOfMemoryError to be thrown");
        } catch (OutOfMemoryError e) {
            assertEquals("Out of memory", e.getMessage());

            throw new RuntimeException("Test exception");
        };

        try {
            ThreadDumpUtil.processThreadDump(exceptionConsumer);
            fail("Should propagate RuntimeException from consumer");
        } catch (RuntimeException e) {
            assertEquals("Test exception", e.getMessage());
        }
    }

          nextHeaderIndex += entriesToEvict
        }
        return entriesToEvict
      }

      /**
       * Read `byteCount` bytes of headers from the source stream. This implementation does not
       * propagate the never indexed flag of a header.
       */
      @Throws(IOException::class)
      fun readHeaders() {
        while (!source.exhausted()) {
          val b = source.readByte() and 0xff
          when {

 *   <li>It doesn't support backpressure and other features needed for resilience.
 *   <li>It doesn't provide much control of threading.
 *   <li>It doesn't offer much monitoring.
 *   <li>It doesn't propagate exceptions, so apps don't have a way to react to them.
 *   <li>It doesn't interoperate well with RxJava, coroutines, and other more commonly used
 *       alternatives.

    serverListener.assertFailure(EOFException::class.java)
    serverListener.assertExhausted()
    clientListener.assertFailure(e)
  }

  @Disabled("AsyncCall currently lets runtime exceptions propagate.")
  @Test
  @Throws(
    Exception::class,
  )
  fun throwingOnFailLogs() {
    webServer.enqueue(
      MockResponse
        .Builder()
        .code(200)
        .body("Body")

        // service or listener). Our contract says it is safe to call this method if
        // all services were NEW when it was called, and this has already been verified above, so we
        // don't propagate the exception.
        logger.get().log(Level.WARNING, "Unable to start Service " + service, e);
      }
    }
    return this;
  }

  /**

          WARN,
          journalIsCorrupt,
        )
      }

      // The cache is corrupted, attempt to delete the contents of the directory. This can throw and
      // we'll let that propagate out as it likely means there is a severe filesystem problem.
      try {
        delete()
      } finally {
        closed = false
      }
    }

    rebuildJournal()

    initialized = true

   *     fetchCounters().catchingAsync(
   *         FetchException.class, x -> immediateFuture(0), directExecutor());
   * }
   *
   * <p>The fallback can also choose to propagate the original exception when desired:
   *
   * {@snippet :
   * // Falling back to a zero counter only in case the exception was a
   * // TimeoutException.
   * ListenableFuture<Integer> faultTolerantFuture =