Queries event ID for a given time on a device.
Returns ID or error.
DescriptionQueries event ID for a given time on a device.
Gets the last event ID for the given device that was returned before the given time. This is conservative in the sense that if you then use the returned event ID as the sinceWhen parameter of FSEvents.CreateRelativeToDevice that you will not miss any events that happened since that time. On the other hand, you might receive some (harmless) extra events.
Beware: there are things that can cause this to fail to be accurate. For example, someone might change the system's clock (either backwards or forwards). Or an external drive might be used on different systems without perfectly synchronized clocks.
Queries event ID for root device:
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