private static final long serialVersionUID = 1L;

    /**
     * Default constructor for file configuration pager.
     * Creates a new instance with default values.
     */
    public FileConfigPager() {
        // Default constructor
    }

    /** Default page size for pagination */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /** Default current page number for pagination */

    public String versionNo;

    /**
     * Default constructor for RelatedQueryPager.
     * Initializes a new instance with default values for pagination
     * and related query fields.
     */
    public RelatedQueryPager() {
        // Default constructor - fields will be initialized to default values
    }

    /**
     * Clears all pager data and resets to default values.

     * @param useDefaultExcludes whether to augment excludes with default SCM exclusion patterns
     * @return a PathMatcher that can be used to test if paths should be included
     * @throws NullPointerException if baseDirectory is null
     */
    @Nonnull
    default PathMatcher createExcludeOnlyMatcher(

<img src="/img/tutorial/extending-openapi/image04.png">

## Change Default Swagger UI Parameters { #change-default-swagger-ui-parameters }

FastAPI includes some default configuration parameters appropriate for most of the use cases.

It includes these default configurations:

{* ../../fastapi/openapi/docs.py ln[9:24] hl[18:24] *}

    }

    /**
     * Data transfer object representing filesystem statistics.
     */
    public static class FsObj {
        /**
         * Default constructor.
         */
        public FsObj() {
            // Default constructor
        }

        /** The percentage of used space on the filesystem. */
        public short percent;
        /** Used space in bytes */

    }

    /**
     * LSA Quality of Service information.
     */
    public static class LsarQosInfo extends NdrObject {

        /**
         * Default constructor for LsarQosInfo.
         */
        public LsarQosInfo() {
            // Default constructor
        }

        /** Length of the QoS information. */
        public int length;
        /** Security impersonation level. */

        return defaultMaxLength;
    }

    /**
     * Returns the default maximum content length.
     * @return The default maximum content length in bytes.
     */
    public long getDefaultMaxLength() {
        return defaultMaxLength;
    }

    /**
     * Sets the default maximum content length.
     * @param defaultMaxLength The default maximum content length to set.
     */

        assertEquals(500L, controller.getDelayMillisAtNoUrlInQueue()); // default
        assertEquals(250L, controller.getDelayMillisBeforeProcessing());
        assertEquals(1000L, controller.getDelayMillisForWaitingNewUrl()); // default
    }

    /**
     * Test constructor with empty parameters uses all defaults
     */
    public void test_constructorWithEmptyParams() {

     *
     * @param message the debug message to be logged
     */
    default void debug(String message) {
        log(Level.DEBUG, message);
    }

    /**
     * Logs a debug message with an associated exception.
     *
     * @param message the debug message to be logged
     * @param error the associated exception
     */
    default void debug(@Nonnull String message, @Nullable Throwable error) {

    @Nonnull
    Path userHomeDirectory();

    /**
     * Shorthand for {@link MessageBuilderFactory}.
     */
    default MessageBuilderFactory messageBuilderFactory() {
        return parserRequest().messageBuilderFactory();
    }

    /**
     * Shorthand for {@link Lookup}.
     */
    default Lookup lookup() {
        return parserRequest().lookup();
    }

    /**