import { mergeMap } from "https://deno.land/x/windmill@v1.32.0/windmill-api/rxjsStub.ts";
Parameters
callback: (value: T) => Observable<S>
x/windmill/windmill-api/rxjsStub.ts>mergeMap
import { mergeMap } from "https://deno.land/x/windmill@v1.32.0/windmill-api/rxjsStub.ts";