ngrx SignalStore: Calling a service function without parameters, which returns an Observable

I have an Angular Service which lets me load data using HttpClient.request(...) and returns the data as an Observable. Within my ngrx SignalStore I call these service methods within rxMethod()s.

One of my service methods does not have any parameters. So calling it within an rxMethod() is not an option, because rxMethod() requires a parameter, be it

a static value, signal, or observable as an input argument
​

So this won't work, because I do not have a parameter to call load() with:

withMethods((
store,
service = inject(SomeService),
) => ({
load: rxMethod(pipe(
switchMap(() => service.getAll$()
.pipe(
tap(models => {
store.initWithEntities(models);
}),
),
),
)),
}),
),


What is the best practice in this case? I'd rather not use a normal SignalStore method, because I'd like to not have to bother with subscription management.

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