import { EventEmitter } from '@angular/core';
import { JwtAuthenticationService } from '../../authentication/services/jwt-authentication.service';
/**
 * This service handles the user permissions.
 *
 * @export
 * @class PermissionService
 */
export declare class PermissionService {
    private readonly userAuthenticationService;
    /**
     * This event fires, when the permissions changed.
     *
     * @type {EventEmitter<boolean>}
     * @memberof PermissionService
     */
    permissionsChanged: EventEmitter<boolean>;
    constructor(userAuthenticationService: JwtAuthenticationService);
    private user;
    /**
     * Returns true if the user has the permission.
     *
     * @param {string} key
     * @returns {boolean}
     * @memberof PermissionService
     */
    canActivate(key: string): boolean;
}