import { ApplicationRef, ChangeDetectorRef, NgZone } from '@angular/core';
export declare abstract class ChangeDetectionScheduler {
    abstract schedule(): void;
}
export declare class ChangeDetectionScheduler_ implements ChangeDetectionScheduler {
    private appRef;
    constructor(appRef: ApplicationRef);
    schedule(): void;
}
export declare class ChangeDetectionSchedulerInitializer {
    constructor(appRef: ApplicationRef, cdRef: ChangeDetectorRef, ngZone: NgZone, scheduler: ChangeDetectionScheduler);
}