*
     * @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
    default String prompt(@Nullable String message) throws PrompterException {
        return prompt(message, null, null);
    }

    /**
     * Prompts the user for a string using a default value.
     *
     * @param message the message to display
     * @param defaultReply the default reply value
     * @return the string entered by the user

        // Assert
        assertEquals("Unexpectedly reached end of file", ex.getMessage(), "Default message must match");
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Default NT status should be UNSUCCESSFUL");
        assertNull(ex.getCause(), "Cause should be null by default");
        assertNull(ex.getRootCause(), "Root cause should be null by default");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");

    /**
     * Creates a new pager instance with default settings.
     */
    public CrawlingInfoPager() {
        // Default constructor
    }

    private static final long serialVersionUID = 1L;

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

    /**
     * Default current page number (1-based).
     */

    /** Serial version UID for serialization compatibility. */
    private static final long serialVersionUID = 1L;

    /**
     * Default constructor.
     */
    public FailureUrlPager() {
        // Default constructor
    }

    /** URL filter for searching failure URLs. */
    //@Maxbytelength(maxbytelength = 1000)
    public String url;

Your response model could have default values, like:

{* ../../docs_src/response_model/tutorial004_py310.py hl[9,11:12] *}

* `description: Union[str, None] = None` (or `str | None = None` in Python 3.10) has a default of `None`.
* `tax: float = 10.5` has a default of `10.5`.
* `tags: List[str] = []` has a default of an empty list: `[]`.

    if query is None:
        return "foo bar"
    return f"foo bar {query}"


@app.get("/query/int/default")
def get_query_type_int_default(query: int = 10):
    return f"foo bar {query}"


@app.get("/query/param")
def get_query_param(query=Query(default=None)):
    if query is None:
        return "foo bar"
    return f"foo bar {query}"


@app.get("/query/param-required")

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PurgeDocJob.class);

    /**
     * Default constructor for PurgeDocJob.
     * Creates a new instance of the document purging job with default settings.
     */
    public PurgeDocJob() {
        // Default constructor
    }

    /**
     * Executes the document purging job.

from sqlmodel import Field, Session, SQLModel, create_engine, select


class HeroBase(SQLModel):
    name: str = Field(index=True)
    age: int | None = Field(default=None, index=True)


class Hero(HeroBase, table=True):
    id: int | None = Field(default=None, primary_key=True)
    secret_name: str


class HeroPublic(HeroBase):
    id: int


class HeroCreate(HeroBase):
    secret_name: str

    private static final long serialVersionUID = 1L;

    /**
     * Default constructor.
     */
    public JobLogPager() {
        // Default constructor
    }

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

    /** Default current page number */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;