import { Observable, of } from "rxjs";

const someObservable$ = of(0);
      ~~~~~~~~~~~~~~~                                                                       [no-finnish]

const someEmptyObject = {};
const someObject = { ...someEmptyObject, someKey$: someObservable$ };
                                         ~~~~~~~~                                           [no-finnish]
const { someKey$ } = someObject;
        ~~~~~~~~                                                                            [no-finnish]
const { someKey$: someRenamedKey$ } = someObject;
                  ~~~~~~~~~~~~~~~                                                           [no-finnish]

const someArray = [someObservable$];
const [someElement$] = someArray;
       ~~~~~~~~~~~~                                                                         [no-finnish]
someArray.forEach(function (element$: Observable<any>): void {});
                            ~~~~~~~~                                                        [no-finnish]
someArray.forEach((element$: Observable<any>) => {});
                   ~~~~~~~~                                                                 [no-finnish]

function someFunction$(someParam$: Observable<any>): Observable<any> { return someParam; }
         ~~~~~~~~~~~~~                                                                      [no-finnish]
                       ~~~~~~~~~~                                                           [no-finnish]

class SomeClass {
    someProperty$: Observable<any>;
    ~~~~~~~~~~~~~                                                                           [no-finnish]
    constructor (someParam$: Observable<any>) {}
                 ~~~~~~~~~~                                                                 [no-finnish]
    get someGetter$(): Observable<any> { throw new Error("Some error."); }
        ~~~~~~~~~~~                                                                         [no-finnish]
    set someSetter$(someParam$: Observable<any>) {}
        ~~~~~~~~~~~                                                                         [no-finnish]
                    ~~~~~~~~~~                                                              [no-finnish]
    someMethod$(someParam$: Observable<any>): Observable<any> { return someParam; }
    ~~~~~~~~~~~                                                                             [no-finnish]
                ~~~~~~~~~~                                                                  [no-finnish]
}

interface SomeInterface {
    someProperty$: Observable<any>;
    ~~~~~~~~~~~~~                                                                           [no-finnish]
    someMethod$(someParam$: Observable<any>): Observable<any>;
    ~~~~~~~~~~~                                                                             [no-finnish]
                ~~~~~~~~~~                                                                  [no-finnish]
}

[no-finnish]: Finnish notation is forbidden