assertEquals("2group-name", permissionHelper.encode("{group}group-name"));
        assertEquals("Rrole.name", permissionHelper.encode("{role}role.name"));
        assertEquals("1user_123", permissionHelper.encode("{user}user_123"));
        assertEquals("2group$special", permissionHelper.encode("{group}group$special"));
    }

    @Test
    public void test_decode_withComplexValues() {

        ldapManager.init();

        // Normal input should not be escaped
        assertEquals("normaluser", ldapManager.escapeLDAPSearchFilter("normaluser"));
        assertEquals("user123", ldapManager.escapeLDAPSearchFilter("user123"));
        assertEquals("user.name", ldapManager.escapeLDAPSearchFilter("user.name"));
    }

    @Test
    public void test_escapeLDAPSearchFilter_withBackslash() {

    public void test_parseJwtClaim_simpleValues() throws IOException {
        final String jwtClaim = "{\"sub\":\"user123\",\"name\":\"John Doe\",\"email\":\"******@****.***\"}";
        final Map<String, Object> attributes = new HashMap<>();

        authenticator.parseJwtClaim(jwtClaim, attributes);

        assertEquals("user123", attributes.get("sub"));
        assertEquals("John Doe", attributes.get("name"));

```

### Index from Query Logs

```java
import org.codelibs.fess.suggest.index.contents.querylog.QueryLog;

// Add suggestions from search query logs
QueryLog queryLog = new QueryLog("user search query", "user123");
suggester.indexer().indexFromQueryLog(queryLog);
```

### Popular Words Analytics

```java
import org.codelibs.fess.suggest.request.popularwords.PopularWordsResponse;

        assertEquals("\\", InputValidator.normalizeSmbPath("\\"));
    }

    @ParameterizedTest
    @DisplayName("Test valid usernames")
    @ValueSource(strings = { "user", "user123", "user.name", "user-name", "user_name", "******@****.***" })
    void testValidUsernames(String username) {
        assertDoesNotThrow(() -> InputValidator.validateUsername(username));
    }

    @ParameterizedTest