# /---------------------------------------------------------------------------
# classificationDeploymentMap: (NotRequired - Default map:{})
#
# The relation between column and classification.
#
# This property uses classification names of classificationDefinitionMap.
# The table name '$$ALL$$' means all tables are target.
# The table names and column names are treated as case insensitive.
#
# You don't need specify here about table classifications.

@app.put("/items/{item_id}")
async def read_items(
    item_id: UUID,
    start_datetime: datetime = Body(),
    end_datetime: datetime = Body(),
    process_after: timedelta = Body(),
    repeat_at: Union[time, None] = Body(default=None),
):
    start_process = start_datetime + process_after
    duration = end_datetime - start_process
    return {
        "item_id": item_id,
        "start_datetime": start_datetime,

Таким чином:

```Python
q: str | None = Query(default=None)
```

...робить параметр необов’язковим зі значенням за замовчуванням `None`, що еквівалентно:


```Python

 * It initializes field mappings from the FessConfig and provides methods to
 * query field properties and capabilities.
 */
public class QueryFieldConfig {

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

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

    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    CollectionFeature[] value() default {};

    CollectionFeature[] absent() default {};
  }

				// Key not found - return nil result
				return Missing{}, false, nil
			}
			val, err := IterToValue(elem.Iter)
			if err != nil {
				return nil, false, err
			}
			return jsonpathEval(p[1:], val)
		default:
			return nil, false, errKeyLookup
		}

	case p[0].Index != nil:
		idx := *p[0].Index

		arr, ok := v.([]any)
		if !ok {
			return nil, false, errIndexLookup
		}

		if idx >= len(arr) {

     * If set to true, exceptions will be caught and ignored. If set to false,
     * exceptions will be re-thrown as {@link CrawlerSystemException}.
     * Default value is true.
     */
    protected boolean ignoreException = true;

    /**
     * Constructs a new AbstractIntervalController.
     */
    public AbstractIntervalController() {
        // NOP
    }

        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException();

        // Assert state
        assertNull(ex.getMessage(), "Default constructor should have null message");
        assertNull(ex.getCause(), "Default constructor should have null cause");
        assertTrue(ex instanceof CIFSException, "Should be a CIFSException subtype");

        // Assert throwing/catching behavior with assertThrows

    }

    /**
     * Returns the state of the "add default entities" flag.
     *
     * @return boolean
     */
    public boolean getAddDefaultEntities() {
        return delegate.getAddDefaultEntities();
    } // -- boolean getAddDefaultEntities()

    /**
     * Sets the state of the "add default entities" flag.
     *
     * @param addDefaultEntities a addDefaultEntities object.
     */

					return
				}
				var za0002 madmin.TierConfig
				err = za0002.DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "Tiers", za0001)
					return
				}
				z.Tiers[za0001] = za0002
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable