* providing details about the failure for debugging and troubleshooting purposes.
 */
public class EditForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {
        super();
    }

    /**
     * The name of the web configuration associated with this failure URL.

    //                                                                           =========
    private static final FailureUrlDbm _instance = new FailureUrlDbm();

    private FailureUrlDbm() {
    }

    public static FailureUrlDbm getInstance() {
        return _instance;
    }

    // ===================================================================================

    /** Serial version UID for serialization */
    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;

    /**
     * Version number for optimistic locking.
     */
    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
    }

    /**

 */
public class FileConfigService extends FessAppService {

    /**
     * Default constructor for file configuration service.
     * Creates a new instance with default values.
     */
    public FileConfigService() {
        super();
    }

    /**
     * Behavior class for file configuration database operations.

        assertNull(exception.getCause());
    }

    public void test_instanceOfFessSystemException() {
        // Verify that ContentNotFoundException is an instance of FessSystemException
        String parentUrl = "http://example.com/parent";
        String url = "http://example.com/child";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

		SlowThreshold:             200 * time.Millisecond,
		LogLevel:                  Warn,
		IgnoreRecordNotFoundError: false,
		Colorful:                  true,
	})
	// Recorder logger records running SQL into a recorder instance
	Recorder = traceRecorder{Interface: Default, BeginAt: time.Now()}

	// RecorderParamsFilter defaults to no-op, allows to be run-over by a different implementation

     * For BoolQueryBuilder, adds as a should clause.
     * For DisMaxQueryBuilder, adds as a query.
     *
     * @param innerQueryBuilder the query builder to add
     * @return this instance for method chaining
     */
    public DefaultQueryBuilder add(final QueryBuilder innerQueryBuilder) {
        switch (queryType) {
        case BOOL:
            ((BoolQueryBuilder) queryBuilder).should(innerQueryBuilder);

    //                                                                           =========
    private static final FileAuthenticationDbm _instance = new FileAuthenticationDbm();

    private FileAuthenticationDbm() {
    }

    public static FileAuthenticationDbm getInstance() {
        return _instance;
    }

    // ===================================================================================

{* ../../docs_src/settings/tutorial001_pv1.py hl[2,5:8,11] *}

////

/// tip

If you want something quick to copy and paste, don't use this example, use the last one below.

///

Then, when you create an instance of that `Settings` class (in this case, in the `settings` object), Pydantic will read the environment variables in a case-insensitive way, so, an upper-case variable `APP_NAME` will still be read for the attribute `app_name`.