return null;
      }
      if (systemLoader != null) {
        try {
          return systemLoader.loadClass(FINALIZER_CLASS_NAME);
        } catch (ClassNotFoundException e) {
          // Ignore. Finalizer is simply in a child class loader.
          return null;
        }
      } else {
        return null;
      }
    }
  }

  /**

    }

    public static boolean available() {
        try {
            return SingletonLaContainer.getComponent(SYSTEM_HELPER) != null;
        } catch (final Exception e) {
            // ignore
        }
        return false;
    }

    /**
     * For test purpose only.
     *
     * @param fessConfig fessConfig instance
     */

	diskReserveFraction = 0.15

	// diskAssumeUnknownSize is the size to assume when an unknown size upload is requested.
	diskAssumeUnknownSize = 1 << 30

	// diskMinInodes is the minimum number of inodes we want free on a disk to perform writes.
	diskMinInodes = 1000

	// tlsClientSessionCacheSize is the cache size for client sessions.
	tlsClientSessionCacheSize = 100
)

func init() {

    /** The key of the configuration. e.g. false */
    String CRAWLER_IGNORE_ROBOTS_TXT = "crawler.ignore.robots.txt";

    /** The key of the configuration. e.g. false */
    String CRAWLER_IGNORE_ROBOTS_TAGS = "crawler.ignore.robots.tags";

    /** The key of the configuration. e.g. true */
    String CRAWLER_IGNORE_CONTENT_EXCEPTION = "crawler.ignore.content.exception";

    /** The key of the configuration. e.g. 404 */

                            }
                        } else if (logger.isDebugEnabled()) {
                            logger.debug("{}:{} is ignored.", name, version);
                        }
                    }
                }
            } catch (final Exception e) {
                logger.warn("Failed to parse {}maven-metadata.xml.", pluginUrl, e);

    throw rethrown
  } catch (_: Exception) {
  }
}

/**
 * Returns true if file streams can be manipulated independently of their paths. This is typically
 * true for systems like Mac, Unix, and Linux that use inodes in their file system interface. It is
 * typically false on Windows.
 *
 * If this returns false we won't permit simultaneous reads and writes. When writes commit we need

        allOptionalSelectors.addAll(projectActivation.getOptionalActiveProjectSelectors());
        allOptionalSelectors.addAll(projectActivation.getRequiredActiveProjectSelectors());
        // We intentionally ignore the results of this method.
        // As a side effect it will log the optional projects that could not be resolved.
        projectSelector.getOptionalProjectsBySelectors(request, session.getAllProjects(), allOptionalSelectors);

	}

	_, err := disk.DiskInfo(ctx, DiskInfoOptions{})
	if err != nil {
		if errors.Is(err, errDriveIsRoot) {
			// This is a root drive, ignore and move on
			return nil
		}
		if !errors.Is(err, errUnformattedDisk) {
			return err
		}
	}

	// Prevent parallel erasure set healing

  @GwtIncompatible // reflection
  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableListMultimap.class);
    tester.ignore(ImmutableListMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of("a", 1));
  }

	analysisCmd.PersistentFlags().DurationVar(&analysisTimeout, "timeout", 30*time.Second,
		"The duration to wait before failing")
	analysisCmd.PersistentFlags().BoolVar(&ignoreUnknown, "ignore-unknown", false,
		"Don't complain about un-parseable input documents, for cases where analyze should run only on k8s compliant inputs.")
	analysisCmd.PersistentFlags().StringVarP(&revisionSpecified, "revision", "", "default",