Can someone explain what "outputFromObservable" is in Angular? Where would you use this, and...

https://angular.dev/guide/signals/rxjs-interop#outputfromobservable

This is very difficult for me to understand. There is not much example available here.

public count:OutputRef<number> = outputFromObservable(this.countObservable$);
public output3 = output()

public ngOnInit(): void {
this.count.subscribe(val => console.log(val));
}


If i use this outputFormObservable I get only one method for the count variable that is to subscribe. Sill why ? I mean we can directly subscribe from the observable ?

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