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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { NgZone, OnDestroy, InjectionToken } from '@angular/core';
/**
* @docs-private
*/
import * as ɵngcc0 from '@angular/core';
export declare class _Schedule {
tasks: (() => unknown)[];
endTasks: (() => unknown)[];
}
/** Injection token used to provide a coalesced style scheduler. */
export declare const _COALESCED_STYLE_SCHEDULER: InjectionToken<_CoalescedStyleScheduler>;
/**
* Allows grouping up CSSDom mutations after the current execution context.
* This can significantly improve performance when separate consecutive functions are
* reading from the CSSDom and then mutating it.
*
* @docs-private
*/
export declare class _CoalescedStyleScheduler implements OnDestroy {
private readonly _ngZone;
private _currentSchedule;
private readonly _destroyed;
constructor(_ngZone: NgZone);
/**
* Schedules the specified task to run at the end of the current VM turn.
*/
schedule(task: () => unknown): void;
/**
* Schedules the specified task to run after other scheduled tasks at the end of the current
* VM turn.
*/
scheduleEnd(task: () => unknown): void;
/** Prevent any further tasks from running. */
ngOnDestroy(): void;
private _createScheduleIfNeeded;
private _getScheduleObservable;
static ɵfac: ɵngcc0.ɵɵFactoryDeclaration<_CoalescedStyleScheduler, never>;
static ɵprov: ɵngcc0.ɵɵInjectableDeclaration<_CoalescedStyleScheduler>;
}
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