hunk.code_window: import { concatAll } from '../operators/concatAll';
   /* tslint:disable:max-line-length */
   /** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
   export function concat<O1 extends ObservableInput<any>>(v1: O1, scheduler: SchedulerLike): Observable<ObservedValueOf<O1>>;
  
hunk.labels: keep keep keep replace keep
hunk.after_edit: /** @deprecated remove in v8. Passing a scheduler to concat is deprecated, please use {@link scheduled} and {@link concatAll} `scheduled([o1, o2], scheduler).pipe(concatAll())` */
  
hunk.file_path: src/internal/observable/concat.ts
hunk.type: replace
file: @import '~@angular/material/theming';
  // Plus imports for other components in your app.
  
  // Include the base styles for Angular Material core. We include this here so that you only
  // have to load a single css file for Angular Material in your app.
  @include mat-core();
  
  // Define the palettes for your theme using the Material Design palettes available in palette.scss
  // (imported above). For each palette, you can optionally specify a default, lighter, and darker
  // hue.
  $rxjs-primary: mat-palette($mat-pink, 700, 600, 800);
  $rxjs-accent:  mat-palette($mat-red, 700, 600, 800);
  
  // The warn palette is optional (defaults to red).
  $rxjs-warn:    mat-palette($mat-red);
  
  // Create the theme object (a Sass map containing all of the palettes).
  $rxjs-theme: mat-light-theme($rxjs-primary, $rxjs-accent, $rxjs-warn);
  
  // Include theme styles for core and each component used in your app.
  // Alternatively, you can import and @include the theme mixins for each component
  // that you are using.
  @include angular-material-theme($rxjs-theme);
  