Results 2 issues of lobo78

The latest version of backoff-rxjs (7.0.0) is supposed to support RxJS 7. Howver, when upgrading to RxJS 7.0.1, I see the following build errors: ``` ./node_modules/backoff-rxjs/dist/esm2015/observable/intervalBackoff.js:14:31-37 - Error: export 'expand'...

### Current Behavior I support an Angular NX monorepo at a company where many developers use the Intellij IDE. Intellij can detect the presence of an Angular application and show...

type: bug