import { of } from 'rxjs'; import { retry } from 'rxjs/operators'; it('should infer correctly', () => { const o = of(1, 2, 3).pipe(retry()); // $ExpectType Observable }); it('should accept a count parameter', () => { const o = of(1, 2, 3).pipe(retry(47)); // $ExpectType Observable }); it('should enforce types', () => { const o = of(1, 2, 3).pipe(retry('aa')); // $ExpectError });