fix(core): hide implementation details of ExperimentalPendingTasks (#…

…55516)

The ExperimentalPendingTasks service was accidently exposing one of its
internal fields as a public one. This commit fixes this by marking the
field in question as private.

PR Close #55516

goldens/public-api/core/index.md

@@ -4,7 +4,6 @@
 
 ```ts
 
-import { BehaviorSubject } from 'rxjs';
 import { Observable } from 'rxjs';
 import { SIGNAL } from '@angular/core/primitives/signals';
 import { SignalNode } from '@angular/core/primitives/signals';
@@ -678,8 +677,6 @@ export interface ExistingSansProvider {
 export class ExperimentalPendingTasks {
  add(): () => void;
  // (undocumented)
- internalPendingTasks: ɵPendingTasks;
- // (undocumented)
  static ɵfac: i0.ɵɵFactoryDeclaration<ExperimentalPendingTasks, never>;
  // (undocumented)
  static ɵprov: i0.ɵɵInjectableDeclaration<ExperimentalPendingTasks>;

packages/core/src/pending_tasks.ts

@@ -80,7 +80,7 @@ export class PendingTasks implements OnDestroy {
  providedIn: 'root',
 })
 export class ExperimentalPendingTasks {
- internalPendingTasks = inject(PendingTasks);
+ private internalPendingTasks = inject(PendingTasks);
  /**
  * Adds a new task that should block application's stability.
  * @returns A cleanup function that removes a task when called.