footprintjs - v11.2.0
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    Interface ListenerStats

    Per-listener accounting (A2/A4).

    interface ListenerStats {
        events: number;
        lastFlushMs: number;
        totalMs: number;
    }
    Index
    events: number

    Envelopes delivered (invocations, including ones that threw).

    lastFlushMs: number

    Sync delivery time since the last flush started, ms.

    totalMs: number

    Cumulative sync delivery time, ms.