@midwayjs/coreClassesMidwayPerformanceManager版本：Next本页总览MidwayPerformanceManager Index PropertiesDEFAULT_GROUPMethodscleandisconnectmarkEndmarkStartobserveMeasurecleanAllgetInitialPerformanceEntriesgetInstanceProperties publicstaticDEFAULT_GROUPDEFAULT_GROUP: { INITIALIZE: string } = ...Methods publiccleanclean(): voidpublicdisconnectdisconnect(): voidpublicmarkEndmarkEnd(key: string): voidpublicmarkStartmarkStart(key: string): voidpublicobserveMeasureobserveMeasure(callback: (list: PerformanceObserverEntryList) => void): PerformanceObserverpublicstaticcleanAllcleanAll(): voidpublicstaticgetInitialPerformanceEntriesgetInitialPerformanceEntries(): any[]staticgetInstancegetInstance(group: string): MidwayPerformanceManager