However, if you use the `pip install fastapi` command, the `python-multipart` package is not included by default.

To install it manually, make sure you create a [virtual environment](../../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it with:

```console
$ pip install python-multipart
```

import jakarta.annotation.Resource;

/**
 * API action for CRUD and file operations on dictionary character mappings.
 */
public class ApiAdminDictMappingAction extends FessApiAdminAction {

    /**
     * Default constructor.
     */
    public ApiAdminDictMappingAction() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(ApiAdminDictMappingAction.class);

    @Resource

        this.leaseKey = key;
        this.leaseState = leaseState;
        this.cacheScope = scope;
        this.maxCacheAge = 30000; // 30 seconds default
        this.notificationEnabled = true;
        this.notificationFilter = 0;
    }

    @Override
    public byte[] getName() {
        return CONTEXT_NAME_BYTES;
    }

    /**

      ClientRuleEventListener(::addEvent) + eventListenerFactory.create(call)
    }

  /**
   * Returns an OkHttpClient for tests to use as a starting point.
   *
   * The returned client installs a default event listener that gathers debug information. This will
   * be logged if the test fails.
   *
   * This client is also configured to be slightly more deterministic, returning a single IP

     * This constructor initializes the factory for managing data store instances
     * and provides methods for registration, retrieval, and plugin discovery.
     */
    public DataStoreFactory() {
        // Default constructor with explicit documentation
    }

    /**
     * Registers a data store instance with the factory using the specified name.

 * coordinating multiple crawler threads and handling indexing operations.
 */
public class WebFsIndexHelper {

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

    private static final Logger logger = LogManager.getLogger(WebFsIndexHelper.class);

    private static final String DISABLE_URL_ENCODE = "#DISABLE_URL_ENCODE";

   *         .put(1, 'A', "foo")
   *         .put(1, 'B', "bar")
   *         .put(2, 'A', "baz")
   *         .buildOrThrow();
   * }
   *
   * <p>By default, the order in which cells are added to the builder determines the iteration
   * ordering of all views in the returned table, with {@link #putAll} following the {@link

					retries++
					time.Sleep(retryDelay250)
					continue
				case InsufficientReadQuorum:
					retries++
					loadedPart = -1
					time.Sleep(retryDelay250)
					continue
				default:
					internalLogIf(ctx, err)
					return entries, err
				}
			}

			// We finished at the end of the block.
			// And should not expect any more results.
			bi, err := getMetacacheBlockInfo(fi, partN)

import jakarta.annotation.Resource;

/**
 * Admin action for Search Log.
 *
 */
public class AdminSearchlogAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminSearchlogAction() {
        super();
    }

    /** Role name for admin search log operations */
    public static final String ROLE = "admin-searchlog";

import org.lastaflute.web.response.JsonResponse;

/**
 * API action for admin access token.
 *
 */
public class ApiAdminAccesstokenAction extends FessApiAdminAction {

    /**
     * Default constructor.
     */
    public ApiAdminAccesstokenAction() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(ApiAdminAccesstokenAction.class);