import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import { RouteConfigService } from '../route-config.service';
import * as i0 from "@angular/core";
/**
 * Pipes an array of route tags and returns an Observable<boolean> that emits a boolean.
 *
 * The boolean is true if any of the values in the provided array is in the configured route tags of the activated route.
 *
 * @example
 * <!-- Use it chained with the async pipe -->
 * <ng-container *ngIf="routesWhereTheElementIsDisplayed | inRouteTags$ | async">
 *   The contents of this ng-container
 * </ng-container>
 */
export declare class InRouteTags$Pipe<RouteTag extends string = string> implements PipeTransform {
    private routeTagService;
    routeTags$: Observable<RouteTag[]>;
    constructor(routeTagService: RouteConfigService<RouteTag>);
    transform(tags: RouteTag[]): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<InRouteTags$Pipe<any>, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<InRouteTags$Pipe<any>, "inRouteTags$", false>;
}