hunk.code_window:   const o = concat(of(1), of(2), of(3), of(4), of(5), of(6), of(7), of(8), of(9)); // $ExpectType Observable<number>
   });
   it('should return Observable<unknown> for more than 6 different types of params', () => {
     const o = concat(of(1), of('a'), of(2), of(true), of(3), of([1, 2, 3]), of(4)); // $ExpectType Observable<unknown>
   });
   it('should accept scheduler after params', () => {
  
hunk.labels: keep keep keep keep replace keep keep keep
hunk.after_edit:   const o = concat(of(1), of('a'), of(2), of(true), of(3), of([1, 2, 3]), of(4)); // $ExpectType Observable<string | number | boolean | number[]>
  
hunk.file_path: spec-dtslint/observables/concat-spec.ts
hunk.type: replace
file: import { NgModule, Type } from '@angular/core';
  import { CommonModule } from '@angular/common';
  import { ContributorListComponent } from './contributor-list.component';
  import { ContributorService } from './contributor.service';
  import { ContributorComponent } from './contributor.component';
  import { WithCustomElementComponent } from '../element-registry';
  
  @NgModule({
    imports: [CommonModule],
    declarations: [ContributorListComponent, ContributorComponent],
    entryComponents: [ContributorListComponent],
    providers: [ContributorService],
  })
  export class ContributorListModule implements WithCustomElementComponent {
    customElementComponent: Type<any> = ContributorListComponent;
  }
  