How to Reset/Reload/Refresh?call Again a toSignal() / Observable Stream with updated data in...

I have an Angular application using a library's toSignal() function to create a signal from an Observable stream. Here's my code snippet:

public_timeline$ = this.stream_service
.readProfileFeed('timeline', 'public')
.pipe(
// ... (some operations)
)
.pipe(
switchMap((activities) => {
// ... (some more operations)
})
);

public_timeline = toSignal(this.public_timeline$);


The public_timeline$ Observable fetches and processes data from an external source. I then create a signal public_timeline from this Observable using the toSignal() function.

Now, I want to be able to reset/reload/refresh/call toSignal() with newly updated data. I want to retrigger the entire process and replace the public_timeline signal with a new one based on the updated data.

I've looked into various methods like using Subject or BehaviourSubject to achieve this, but I'm unsure how to reset or refresh the signal properly. What's the best way to accomplish this in Angular, given the code structure I've provided? How can I update public_timeline with fresh data?

Any help or guidance on handling the scenario would be greatly appreciated. Thank you!

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