}

    /**
     * Get key rotation metrics
     *
     * @return metrics map containing rotation statistics
     */
    public java.util.Map<String, Long> getKeyRotationMetrics() {
        java.util.Map<String, Long> metrics = new java.util.HashMap<>();
        metrics.put("totalRotations", totalKeyRotations.get());
        metrics.put("lastRotationTime", lastKeyRotationTime.get());