@BeforeEach
    void setUp() {
        logger = SecurityAuditLogger.getInstance();
        logger.resetStatistics();
        logger.setJsonLoggingEnabled(false);
        logger.setSensitiveDataMaskingEnabled(true);
    }

    @Test
    @DisplayName("Test singleton instance")
    void testSingletonInstance() {
        SecurityAuditLogger logger1 = SecurityAuditLogger.getInstance();

    }

    /**
     * Enable or disable sensitive data masking
     *
     * @param enable true to enable masking
     */
    public void setSensitiveDataMaskingEnabled(boolean enable) {
        this.maskSensitiveData = enable;
        log.info("Sensitive data masking {}", enable ? "enabled" : "disabled");
    }

    /**