GCInfo
constructor( epoch: Long, startTimeNs: Long, endTimeNs: Long, firstPauseRequestTimeNs: Long, firstPauseStartTimeNs: Long, firstPauseEndTimeNs: Long, secondPauseRequestTimeNs: Long?, secondPauseStartTimeNs: Long?, secondPauseEndTimeNs: Long?, postGcCleanupTimeNs: Long?, rootSet: RootSetStatistics, markedCount: Long, sweepStatistics: Map<String, SweepStatistics>, memoryUsageBefore: Map<String, MemoryUsage>, memoryUsageAfter: Map<String, MemoryUsage>)(source)