*
     * <p><b>Note:</b> in general, code should assume that the string form returned by {@code
     * ToStringHelper} for a given object may change. In particular, the list of types which are
     * checked for emptiness is subject to change. We currently check {@code CharSequence}s, {@code
     * Collection}s, {@code Map}s, optionals (including Guava's), and arrays.
     *
     * @since 33.4.0
     */
    @CanIgnoreReturnValue

Crea un verdadero token de acceso JWT y devuélvelo.

{* ../../docs_src/security/tutorial004_an_py310.py hl[118:133] *}

### Detalles técnicos sobre el "sujeto" `sub` de JWT { #technical-details-about-the-jwt-subject-sub }

La especificación de JWT dice que hay una clave `sub`, con el sujeto del token.

Es opcional usarlo, pero ahí es donde pondrías la identificación del usuario, por lo que lo estamos usando aquí.

Crie um token de acesso JWT real e o retorne.

{* ../../docs_src/security/tutorial004_an_py310.py hl[118:133] *}

### Detalhes técnicos sobre o "sujeito" `sub` do JWT { #technical-details-about-the-jwt-subject-sub }

A especificação JWT diz que existe uma chave `sub`, com o sujeito do token.

É opcional usá-la, mas é onde você colocaria a identificação do usuário, então nós estamos usando aqui.

errors.app.db.already.updated = It may have been updated by another process. Please try again.
errors.app.db.already.exists = The data already exists. Please try again.
errors.app.double.submit.request = It may have been processed before this request. Please try again.
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.
# errors.xxx = ...

errors.app.db.already.updated = It may have been updated by another process. Please try again.
errors.app.db.already.exists = The data already exists. Please try again.
errors.app.double.submit.request = It may have been processed before this request. Please try again.
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.
# errors.xxx = ...

errors.app.db.already.updated = इसे किसी अन्य प्रक्रिया द्वारा अपडेट किया जा सकता है। कृपया पुनः प्रयास करें।
errors.app.db.already.exists = डेटा पहले से मौजूद है। कृपया पुनः प्रयास करें।
errors.app.double.submit.request = इस अनुरोध से पहले इसे संसाधित किया जा सकता है। कृपया पुनः प्रयास करें।
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.

errors.app.db.already.exists = Die Daten sind bereits vorhanden. Bitte versuchen Sie den Vorgang erneut.
errors.app.double.submit.request = Es wurde möglicherweise vor dieser Anfrage verarbeitet. Bitte versuchen Sie den Vorgang erneut.
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:

        ExecutorService executor = Executors.newFixedThreadPool(threadCount);

        for (int t = 0; t < threadCount; t++) {
            final int threadId = t;
            executor.submit(() -> {
                try {
                    for (int i = 0; i < operationsPerThread; i++) {
                        String sid = "thread-" + threadId + "-key-" + i;

   *
   * Writes are subject to the write window of the stream and the connection. Until there is a
   * window sufficient to send [byteCount], the caller will block. For example, a user of
   * `HttpURLConnection` who flushes more bytes to the output stream than the connection's write
   * window will block.
   *
   * Zero [byteCount] writes are not subject to flow control and will not block. The only use case

errors.app.db.already.updated = Es posible que ya haya sido actualizado por otro proceso. Por favor, inténtelo de nuevo.
errors.app.db.already.exists = Los datos ya existen. Por favor, inténtelo de nuevo.
errors.app.double.submit.request = Es posible que esta solicitud ya se haya procesado. Por favor, inténtelo de nuevo.
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.