+ started: boolean
+}
+
+/**
+ * Worker usage statistics.
+ *
+ * @internal
+ */
+export interface WorkerUsage {
+ /**
+ * Tasks statistics.
+ */
+ readonly tasks: TaskStatistics
+ /**
+ * Tasks runtime statistics.
+ */
+ readonly runTime: MeasurementStatistics
+ /**
+ * Tasks wait time statistics.
+ */
+ readonly waitTime: MeasurementStatistics
+ /**
+ * Tasks event loop utilization statistics.
+ */
+ readonly elu: EventLoopUtilizationMeasurementStatistics