exp = "test.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/test%20+%2B.txt";
        exp = "test  +.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "file://example.com/test%20+%2B.txt";
        exp = "test ++.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        .addQueryParameter("a+=& b", "c+=& d")
        .addQueryParameter("a+=& b", "e+=& f")
        .build()
    assertThat(url.toString())
      .isEqualTo("http://host/?a%2B%3D%26%20b=c%2B%3D%26%20d&a%2B%3D%26%20b=e%2B%3D%26%20f")
    assertThat(url.querySize).isEqualTo(2)
    assertThat(url.queryParameterNames).isEqualTo(setOf("a+=& b"))
    assertThat(url.queryParameterValues("a+=& b"))

        Map<String, Object> doc2a = new HashMap<>();
        doc2a.put("id", "2a");
        builder2.addDocument(doc2a);
        Map<String, Object> doc2b = new HashMap<>();
        doc2b.put("id", "2b");
        builder2.addDocument(doc2b);
        builder2.allRecordCount(2L);
        SearchResult result2 = builder2.build();

        // First result should have 1 document

                }
            }
        } else {
            enc = fessConfig.getCrawlerDocumentFileNameEncoding();
        }

        final String escapedUrl = escapePlus ? url.replace("+", "%2B") : url;
        try {
            return URLDecoder.decode(escapedUrl, enc);
        } catch (final Exception e) {
            return url;
        }
    }

    /**

{* ../../docs_src/security/tutorial004_an_py310.py hl[7,48,55:56,59:60,69:75] *}

/// note | Hinweis

Wenn Sie sich die neue (gefakte) Datenbank `fake_users_db` anschauen, sehen Sie, wie das gehashte Passwort jetzt aussieht: `"$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW"`.

///

## JWT-Token verarbeiten

Importieren Sie die installierten Module.

{* ../../docs_src/security/tutorial004_an_py310.py hl[8,49,56:57,60:61,70:76] *}

/// note | Nota

Si revisas la nueva (falsa) base de datos `fake_users_db`, verás cómo se ve ahora la contraseña con hash: `"$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW"`.

///

## Manejo de tokens JWT

Importa los módulos instalados.

Crea una clave secreta aleatoria que se usará para firmar los tokens JWT.

{* ../../docs_src/security/tutorial004_an_py310.py hl[8,49,56:57,60:61,70:76] *}

/// note

If you check the new (fake) database `fake_users_db`, you will see how the hashed password looks like now: `"$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW"`.

///

## Handle JWT tokens { #handle-jwt-tokens }

Import the modules installed.

{* ../../docs_src/security/tutorial004_an_py310.py hl[8,49,56:57,60:61,70:76] *}

/// note | Технические детали
Если проверить новую (фальшивую) базу данных `fake_users_db`, то можно увидеть, как теперь выглядит хэшированный пароль: `"$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW"`.
///

## Работа с JWT токенами

Импортируйте установленные модули.

         *
         * 2a. If the resolved types are identical to the original types, then we can return the
         * original, identical JDK TypeVariable. By doing so, we sidestep the problem entirely.
         *
         * 2b. If the resolved types are different from the original types, things are trickier. The
         * only way to get a TypeVariable instance for the resolved types is to create our own. The

         *
         * 2a. If the resolved types are identical to the original types, then we can return the
         * original, identical JDK TypeVariable. By doing so, we sidestep the problem entirely.
         *
         * 2b. If the resolved types are different from the original types, things are trickier. The
         * only way to get a TypeVariable instance for the resolved types is to create our own. The