import { BehaviorSubject, Subject } from 'rxjs';
import { FacetEvent } from './facet-events';
import { Facet } from './models/facet';
import * as i0 from "@angular/core";
export declare class FacetService {
    /** The list of active facets */
    facets$: BehaviorSubject<Facet[]>;
    /** Emit all the events when they occur */
    events$: Subject<FacetEvent>;
    select(facet: Facet): void;
    deselect(facet: Facet): void;
    deselectAll(): void;
    toggle(facet: Facet): void;
    isSelected(facet: Facet): boolean;
    private isFacetMatch;
    static ɵfac: i0.ɵɵFactoryDeclaration<FacetService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FacetService>;
}