ActionMetrics
constructor(sent: Long, delivered: Long, undelivered: Long, opsPerSecond: Double, deliveryAvg: Duration, deliveryP50: Duration, deliveryP90: Duration, deliveryP95: Duration, deliveryP99: Duration, queueTimeAvg: Duration, queueTimeMedian: Duration, bufferMaxOccupancy: Int, bufferOverflows: Long, pluginOverheadAvg: Duration, pluginOverheadMedian: Duration)