private void maybeRegulate() {
        if (!config.enabled()) {
            return;
        }
        maybeRegulate(false);
    }
The current state metrics of the system.
Only used for monitoring.

@see S3StreamKafkaMetricsManager#setBackPressureStateSupplier
core/src/main/java/kafka/automq/backpressure/DefaultBackPressureManager.java