import { Observable, of } from "rxjs";

const someObservable$ = of(0);

const someEmptyObject = {};
const someObject = { ...someEmptyObject, someKey$: someObservable$ };
const { someKey$ } = someObject;
const { someKey$: someRenamedKey$ } = someObject;

const someArray = [someObservable$];
const [someElement$] = someArray;
someArray.forEach(function (element$: Observable<any>): void {});
someArray.forEach((element$: Observable<any>) => {});

function someFunction$(someParam$: Observable<any>): Observable<any> { return someParam; }

class SomeClass {
    someProperty$: Observable<any>;
    constructor (someParam$: Observable<any>) {}
    get someGetter$(): Observable<any> { throw new Error("Some error."); }
    set someSetter$(someParam$: Observable<any>) {}
    someMethod$(someParam$: Observable<any>): Observable<any> { return someParam; }
}

interface SomeInterface {
    someProperty$: Observable<any>;
    someMethod$(someParam$: Observable<any>): Observable<any>;
}

[finnish]: Finnish notation required for %s