message: chore: change private method to protect
diff: @@ -79,7 +79,7 @@ export class MetricsEndPoint extends EndPoint {
  return (<MetricsServerManager>this.manager).hasMetricRegistryByGroup(groupName);
  }
  - private getCollector() {
  + protected getCollector() {
  return this.config['initConfig']['collector'] || NormalMetricsCollector;
  }
  