*
     * @param extension the file extension to look up (without the dot)
     * @return the MIME type for the extension, or "application/octet-stream" if not found
     * @throws IOException if there is an error processing the MIME mappings
     */
    public String getMimeType(final String extension) throws IOException {
        return getMimeType(extension, "application/octet-stream");
    }

    /**

    @Resource
    protected LabelTypeHelper labelTypeHelper;

    /** Helper for query processing and transformation. */
    @Resource
    protected QueryHelper queryHelper;

    /** Configuration for query field mappings and processing. */
    @Resource
    protected QueryFieldConfig queryFieldConfig;

    /** Helper for role-based query filtering and security. */
    @Resource

 *   <li>{@link StandardCharsets#US_ASCII} specifies the {@code Charset} of ASCII characters.
 *   <li>{@link CharMatcher#ascii} matches ASCII characters and provides text processing methods
 *       which operate only on the ASCII characters of a string.
 * </ul>
 *
 * @author Catherine Berry
 * @author Gregory Kick
 * @since 7.0
 */
@GwtCompatible
public final class Ascii {

   * visited twice if there is an edge connecting them. To avoid returning duplicate {@link
   * EndpointPair}s, we keep track of the nodes that we have visited. When processing endpoint
   * pairs, we skip if the "other node" is in the visited set, as shown below:
   *
   * <pre>
   * Nodes = {N1, N2, N3, N4}
   *    N2           __
   *   /  \         |  |
   * N1----N3      N4__|

    /** Array of rank fusion searchers available for processing search requests */
    protected RankFusionSearcher[] searchers = new RankFusionSearcher[1];

    /** Executor service for concurrent search operations across multiple searchers */
    protected ExecutorService executorService;

    /** Size of the window for rank fusion processing, determines how many results to consider */
    protected int windowSize;

    public void test_nestedExceptions() {
        // Test nested exception handling
        Exception innerCause = new IllegalArgumentException("Invalid parameter");
        RuntimeException middleCause = new RuntimeException("Processing failed", innerCause);
        ThemeException exception = new ThemeException("Theme operation failed", middleCause);

        assertNotNull(exception);
        assertEquals("Theme operation failed", exception.getMessage());

        }
    }

    /**
     * Gets the mail properties used for email processing.
     *
     * @return the mail properties
     */
    public Properties getMailProperties() {
        return mailProperties;
    }

    /**
     * Sets the mail properties used for email processing.
     *
     * @param mailProperties the mail properties to set
     */

	for {
		if !globalCallhomeConfig.Enabled() {
			// Stop the processing as callhome got disabled
			return false
		}

		select {
		case <-ctx.Done():
			// indicates that we do not need to run callhome anymore
			return false
		case <-callhomeTimer.C:
			if !globalCallhomeConfig.Enabled() {
				// Stop the processing as callhome got disabled
				return false
			}

			performCallhome(ctx)

   * processing and may run concurrently, for example, if the JVM flag {@code
   * -XX:+ExplicitGCInvokesConcurrent} is used.
   *
   * <p>Whenever possible, it is preferable to test directly for some observable change resulting
   * from GC, as with {@link #awaitClear}. Because there are no guarantees for the order of GC

            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Exception on SID processing.", e);
                }
            }
        }
    }

    /**
     * Preprocesses the URI before processing the request.
     *
     * @param uri the URI to preprocess
     * @return the preprocessed URI