import { OnDestroy } from '@angular/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { ContentDensityMode } from '../types/content-density.mode';
import { GlobalContentDensityService } from './global-content-density.service';
import * as i0 from "@angular/core";
/**
 * Temporary replacement for ContentDensityService
 */
export declare class DeprecatedContentDensityService implements OnDestroy {
    private _contentDensityController;
    /** Content Density BehaviourSubject */
    readonly contentDensity: BehaviorSubject<ContentDensityMode>;
    /** @hidden */
    constructor(_contentDensityController: GlobalContentDensityService);
    /** @hidden */
    get _contentDensityListener(): Observable<ContentDensityMode>;
    /** @hidden */
    get _isCompactDensity(): Observable<boolean>;
    /** @hidden */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DeprecatedContentDensityService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DeprecatedContentDensityService>;
}
