import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class AccordionService {
    collapseOthers: boolean;
    collapse: Subject<void>;
    collapseAll(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccordionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AccordionService>;
}