What's the difference between `--local` & `--test-scheduled` for local development?

I use wrangler (v2.9) to initialize my worker project (a scheduled worker).

The top message in the

index.ts

index.ts

index.ts

index.ts file says:
Run

wrangler dev --local

wrangler dev --local

wrangler dev --local

wrangler dev --local in your terminal to start a development server

But in this doc (https://developers.cloudflare.com/workers/runtime-apis/scheduled-event/) it says:

wrangler dev --test-scheduled

wrangler dev --test-scheduled

wrangler dev --test-scheduled

wrangler dev --test-scheduled

So what's the difference? workers

A ScheduledEvent is the event type for scheduled requests to a Worker. It is the Object passed through as the event when a Worker is invoked by a …