@Override
            public void onInitialized(final HealthCheckerConfig initialized) {
                config = initialized;
            }
HealthCheckerProvider fetches health check metrics from telemetry module, then calculates health score and generates
details explains the score. External service or users can query health status by HealthCheckerService.
oap-server/server-health-checker/src/main/java/org/apache/skywalking/oap/server/health/checker/provider/HealthCheckerProvider.java