Function laneTimingSummary

laneTimingSummary(
    samples: readonly { ahead: number; queueMs: number; serviceMs: number }[],
): {
    aheadMax: number;
    aheadMean: number;
    queuedFraction: number;
    queueMsFloorMean: number;
    samples: number;
    serviceMsFloorMean: number;
}
The gated lane's queueing, reduced to what a pool sizer reads.

The two duration means are floors (see noteLaneTiming()), and named so.
Parameters
- samples: readonly { ahead: number; queueMs: number; serviceMs: number }[]
Returns {
    aheadMax: number;
    aheadMean: number;
    queuedFraction: number;
    queueMsFloorMean: number;
    samples: number;
    serviceMsFloorMean: number;
}
- Defined in src/do/helpers.ts:70