package node.perf_hooks; typedef Histogram = { /** Returns a `Map` object detailing the accumulated percentile distribution. **/ final percentiles : js.lib.Map; /** The number of times the event loop delay exceeded the maximum 1 hour event loop delay threshold. **/ final exceeds : Float; /** The minimum recorded event loop delay. **/ final min : Float; /** The maximum recorded event loop delay. **/ final max : Float; /** The mean of the recorded event loop delays. **/ final mean : Float; /** The standard deviation of the recorded event loop delays. **/ final stddev : Float; /** Resets the collected histogram data. **/ function reset():Void; /** Returns the value at the given percentile. **/ function percentile(percentile:Float):Float; };