TL of self-signed CA root certificate.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_ROOT_CERT_CHECK_INTERVAL</code></td><td>Time Duration</td><td><code>1h0m0s</code></td><td>The interval that self-signed CA checks its root certificate expiration time and rotates root certificate. Setting this interval to zero or a negative value disables automated root cert check and rotation. This interval is suggested to be larger than 10 minutes.</td></tr><tr><td><code>CITADEL_SELF_SIGNED_ROOT_CERT_GRACE_PERIOD_PERCENTILE<