PoolEvents: Readonly<{
backPressure: "backPressure";
backPressureEnd: "backPressureEnd";
busy: "busy";
busyEnd: "busyEnd";
destroy: "destroy";
empty: "empty";
error: "error";
full: "full";
fullEnd: "fullEnd";
ready: "ready";
taskError: "taskError";
}> = ...
Enumeration of pool events.