return Integer.parseInt(ComponentUtil.getFessConfig().getOrDefault(getConfigPrefix() + ".max.concurrent.requests", "5"));
    }

    /**
     * Gets the timeout for waiting to acquire a concurrency permit (ms).
     * Default is 30000ms. Override or configure via rag.llm.{provider}.concurrency.wait.timeout.
     *
     * @return the wait timeout in milliseconds
     */
    protected long getConcurrencyWaitTimeoutMs() {

    /** Extended security negotiation flag */
    int FLAGS2_EXTENDED_SECURITY_NEGOTIATION = 0x0800;
    /** Resolve paths in DFS flag */
    int FLAGS2_RESOLVE_PATHS_IN_DFS = 0x1000;
    /** Permit read if execute permission flag */
    int FLAGS2_PERMIT_READ_IF_EXECUTE_PERM = 0x2000;
    /** 32-bit status codes flag */
    int FLAGS2_STATUS32 = 0x4000;
    /** Unicode strings flag */
    int FLAGS2_UNICODE = 0x8000;

	MOVL	(AX)(SP*1), AX		// ERROR "invalid instruction"
	EXTRACTPS $4, X2, (BX)          // ERROR "invalid instruction"
	EXTRACTPS $-1, X2, (BX)         // ERROR "invalid instruction"
	// VSIB addressing does not permit non-vector (X/Y)
	// scaled index register.
	VPGATHERDQ X12,(R13)(AX*2), X11 // ERROR "invalid instruction"
	VPGATHERDQ X2, 664(BX*1), X1    // ERROR "invalid instruction"

 *
 * Since connections may be reused, the proxy selection, DNS, and connect events may not be present
 * for a call. In future releases of OkHttp these events may also occur concurrently to permit
 * multiple routes to be attempted simultaneously.
 *
 * Events and sequences of events may be repeated for retries and follow-ups.
 *

   * to thread contention. But overestimates and underestimates within an order of magnitude do not
   * usually have much noticeable impact. A value of one permits only one thread to modify the map
   * at a time, but since read operations can proceed concurrently, this still yields higher
   * concurrency than full synchronization. Defaults to 4.
   *

 * the same line will be treated as a field with a single value by this class. It is the caller's
 * responsibility to detect and split on commas if their field permits multiple values. This
 * simplifies use of single-valued fields whose values routinely contain commas, such as cookies or
 * dates.
 *
 * This class trims whitespace from values. It never returns values with leading or trailing

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Cliquez sur le bouton « Try it out », il vous permet de renseigner les paramètres et d'interagir directement avec l'API :

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)

    * Cette extension SNI permet à un seul serveur (avec une **seule adresse IP**) d'avoir **plusieurs certificats HTTPS** et de servir **plusieurs domaines/applications HTTPS**.

# Parâmetros de consulta e validações de string { #query-parameters-and-string-validations }

O **FastAPI** permite declarar informações adicionais e validações para os seus parâmetros.

Vamos usar esta aplicação como exemplo:

{* ../../docs_src/query_params_str_validations/tutorial001_py310.py hl[7] *}

   *
   * https://github.com/square/okhttp/pull/7190
   */
  @Test
  fun preferCallConnectionOverDeferredConnection() {
    // Make sure we have enough connection options to permit retries.
    dnsResults =
      listOf(
        localhostIpv4,
        localhostIpv6,
        TestUtil.UNREACHABLE_ADDRESS_IPV4.address,
      )
    serverIpv4.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)