* Returns an input stream containing one or more certificate PEM files. This implementation just
       * embeds the PEM files in Java strings; most applications will instead read this from a resource
       * file that gets bundled with the application.
       */
      private fun trustedCertificatesInputStream(): InputStream {
        ... // Full source omitted. See sample.
      }

            for (final String role : roles) {
                if (StringUtil.isNotEmpty(role)) {
                    roleSet.add(role);
                }
            }
        }
    }

    /**
     * Gets the current time in milliseconds.
     * @return The current time in milliseconds.
     */
    protected long getCurrentTime() {
        return ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
    }

   * triggering different chains to be discovered by the TLS engine and our chain cleaner. In this
   * attack there's several different chains.
   *
   *
   * The victim's gets a non-CA certificate signed by a CA, and pins the CA root and/or
   * intermediate. This is business as usual.
   *
   * ```
   *   pinnedRoot (trusted by CertificatePinner)

       * doesn't need one, or it should be suppressed for ContiguousSet.
       */
      for (int i = 0; i < elements.size() - 1; i++) {
        assertEquals(elements.get(i) + 1, (int) elements.get(i + 1));
      }
      Range<Integer> range =
          elements.isEmpty() ? Range.closedOpen(0, 0) : Range.encloseAll(elements);
      return ContiguousSet.create(range, DiscreteDomain.integers());
    }

     */
    public void setCommandDestroyTimeout(final long commandDestroyTimeout) {
        this.commandDestroyTimeout = commandDestroyTimeout;
    }

    /**
     * Gets file extension from MIME type for creating temp files with proper extensions.
     * This helps ImageMagick correctly identify file formats.
     * @param mimeType The MIME type of the content.

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

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

    //                                                                           User Info
    //                                                                           =========
    /**
     * Gets the current user bean from the session.
     * This method returns the concrete FessUserBean class instead of the generic type.
     *
     * @return an optional containing the current user bean, or empty if not logged in

    // WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one
    // of the values gets evicted. With weak keys, we use identity equality, which means using
    // System.identityHashCode, which means the assignment of keys to segments is nondeterministic,
    // so more than (maximumSize / #segments) keys could get assigned to the same segment, which
    // would cause one to be evicted.

    }

    /**
     * Gets statistics for the multi-channel manager.
     *
     * @return channel statistics
     */
    public ChannelStatistics getStatistics() {
        return new ChannelStatistics(sessionChannels.size(),
                sessionChannels.values().stream().mapToInt(ChannelGroup::getChannelCount).sum(), totalRequests.get(),
                totalChannelsCreated.get());
    }

    /**

                dataCrawlingThreadList.get(i).awaitTermination(crawlingExecutionInterval);
                if (!dataCrawlingThreadList.get(i).isRunning() && Constants.RUNNING.equals(dataCrawlingThreadStatusList.get(i))) {
                    dataCrawlingThreadStatusList.set(i, Constants.DONE);
                }
                if (!Constants.DONE.equals(dataCrawlingThreadStatusList.get(i))) {
                    finishedAll = false;