# Background Tasks { #background-tasks }

You can define background tasks to be run *after* returning a response.

This is useful for operations that need to happen after a request, but that the client doesn't really have to be waiting for the operation to complete before receiving the response.

This includes, for example:

* Email notifications sent after performing an action:

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.witness;

/**
 * Represents a witness heartbeat request as defined in MS-SWN specification.
 * Used to maintain active witness registrations.
 */
public class WitnessHeartbeatRequest {
    /**
     * Creates a new witness heartbeat request.
     */

- Secure File Transfer Protocol (SFTP) – Defined by the Internet Engineering Task Force (IETF) as an
  extended version of SSH 2.0, allowing file transfer over SSH and for use with Transport Layer
  Security (TLS) and VPN applications.

- File Transfer Protocol over SSL/TLS (FTPS) – Encrypted FTP communication via TLS certificates.

- File Transfer Protocol (FTP) – Defined by RFC114 originally, and replaced by RFC765 and RFC959

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

///

## Importe `File` e `Form` { #import-file-and-form }

{* ../../docs_src/request_forms_and_files/tutorial001_an_py39.py hl[3] *}

## Defina parâmetros de `File` e `Form` { #define-file-and-form-parameters }

Crie parâmetros de arquivo e formulário da mesma forma que você faria para `Body` ou `Query`:

{* ../../docs_src/request_forms_and_files/tutorial001_an_py39.py hl[10:12] *}

# Define this here and not in the main mkdocs.yml file because that one is auto
# updated and written, and the script would remove the env var
markdown_extensions:
  pymdownx.highlight:

{* ../../docs_src/query_params_str_validations/tutorial003_an_py310.py hl[10] *}

## Add regular expressions { #add-regular-expressions }

You can define a <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">regular expression</abbr> `pattern` that the parameter should match:

{* ../../docs_src/query_params_str_validations/tutorial004_an_py310.py hl[11] *}

            SET newparams=!current!
        )
	)
	
    IF "x!params!" NEQ "x" (
		GOTO loop
	)
)

SET HOSTNAME=%COMPUTERNAME%

CALL "%~dp0fess.in.bat"
IF ERRORLEVEL 1 (
	IF NOT DEFINED nopauseonerror (
		PAUSE
	)
	EXIT /B %ERRORLEVEL%
)

"%JAVA_HOME%\bin\java" %FESS_JAVA_OPTS% !newparams! -cp "%FESS_CLASSPATH%" "org.codelibs.fess.FessBoot"

# Copy from Pydantic v2, compatible with v1
if sys.version_info < (3, 10):
    WithArgsTypes: tuple[Any, ...] = (typing._GenericAlias, types.GenericAlias)  # type: ignore[attr-defined]
else:
    WithArgsTypes: tuple[Any, ...] = (
        typing._GenericAlias,  # type: ignore[attr-defined]
        types.GenericAlias,
        types.UnionType,
    )  # pyright: ignore[reportAttributeAccessIssue]

public class CollectionSerializationEqualTester<E> extends AbstractCollectionTester<E> {
  @CollectionFeature.Require(SERIALIZABLE)
  /*
   * As the class docs say, this test only makes sense for collections that define equals().
   * Accordingly, our testing framework adds it only when testing an implementation of List, Set, or
   * Multiset.
   */
  @SuppressWarnings("UndefinedEquals")
  public void testReserialize() {

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.witness;

/**
 * Enumeration of SMB Witness Event Types as defined in MS-SWN specification.
 * These events represent different types of cluster state changes that clients
 * can be notified about.
 */
public enum WitnessEventType {
    /**