*/
  @AndroidIncompatible
  public void testTaskThrowsError() throws Exception {
    class MyError extends Error {}
    CyclicBarrier barrier = new CyclicBarrier(2);
    // we need to make sure the error gets thrown on a different thread.
    ExecutorService service = newSingleThreadExecutor();
    try {
      SequentialExecutor executor = new SequentialExecutor(service);
      Runnable errorTask =
          () -> {

        try {
            init(f);
        } catch (final Exception e) {
            logger.error("Error setting filter config", e);
        }
    }

    /**
     * Gets the filter configuration.
     * @return the filter configuration or null
     */
    public FilterConfig getFilterConfig() {
        return null;
    }

            kryo.register(clazz);
        } catch (final Exception e) {
            logger.warn("Failed to register class for Kryo serialization: {}", clazz.getName(), e);
        }
    }

    /**
     * Gets the configured serializer type from the Fess configuration.
     *
     * @return the serializer type (either "kryo" or "javabin")
     */
    protected String getSerializerType() {

     *
     * @param runtime the job runtime to set
     */
    public void setJobRuntime(final LaJobRuntime runtime) {
        jobRuntimeLocal.set(runtime);
    }

    /**
     * Gets the job runtime for the current thread.
     *
     * @return the job runtime for the current thread
     */
    public LaJobRuntime getJobRuntime() {
        return jobRuntimeLocal.get();
    }

            } catch (final Exception e) {
                logger.error("Could not destroy a process correctly.", e);
            }
        }
        return -1;
    }

    /**
     * Gets the set of session IDs for all currently running processes.
     *
     * @return set of session IDs for running processes
     */
    public Set<String> getRunningSessionIdSet() {

   * It is set by a client who only wants to make a request if it can be fully satisfied by the
   * cache. Cached responses that would require validation (ie. conditional gets) are not permitted
   * if this header is set.
   */
  @get:JvmName("onlyIfCached") val onlyIfCached: Boolean,
  @get:JvmName("noTransform") val noTransform: Boolean,
  @get:JvmName("immutable") val immutable: Boolean,

  }

  @VisibleForTesting
  Set<Subscriber> getSubscribersForTesting(Class<?> eventType) {
    return MoreObjects.firstNonNull(subscribers.get(eventType), ImmutableSet.<Subscriber>of());
  }

  /**
   * Gets an iterator representing an immutable snapshot of all subscribers to the given event at
   * the time this method is called.
   */
  Iterator<Subscriber> getSubscribers(Object event) {

            this.url = url;
            this.depth = depth;
        }

        /**
         * Gets the URL of this crawl request.
         *
         * @return the URL to be crawled
         */
        public String getUrl() {
            return url;
        }

        /**
         * Gets the depth of this crawl request in the crawling hierarchy.
         *
         * @return the crawling depth

            return searchWithMainSearcher(availableSearchers[0], query, params, userBean);
        }
        return searchWithMultipleSearchers(availableSearchers, query, params, userBean);
    }

    /**
     * Gets the array of available searchers based on configuration.
     * Filters the searchers list to include only those specified in the available searcher name set.
     * If no specific searchers are configured, returns all searchers.

        String value = "${var1}-${var2}";
        assertEquals("value1-value2", ResourceUtil.resolve(value));

        // Test nested-like patterns (but not actual nesting)
        value = "${var1${var2}}"; // The ${var2} part gets replaced first
        assertEquals("${var1value2}", ResourceUtil.resolve(value));

        // Test with special characters in replacement
        System.setProperty("special", "value$with\\backslash");