events-once-fences.ts:8:27 - error SC2020: 'events.once with options' is part of the standard library types but has no scriptc lowering yet

  7 | async function main(): Promise<void> {
  8 |   await once(ee, "ready", { signal: AbortSignal.timeout(5) }); // options
    |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  9 |   await once(ee, name); // computed event name

  hint: the lowered form is events.once(emitter, name); AbortSignal options are not supported yet

events-once-fences.ts:9:18 - error SC2020: 'events.once with a computed or meta event name' is part of the standard library types but has no scriptc lowering yet

   8 |   await once(ee, "ready", { signal: AbortSignal.timeout(5) }); // options
   9 |   await once(ee, name); // computed event name
     |                  ^~~~
  10 | }

  hint: name the awaited event with a string literal