import { Building, RisingSkylineService } from 'rising-skyline';
import { BehaviorSubject } from 'rxjs';
export declare class ControlledRisingSkylineService {
    skylineService: RisingSkylineService;
    constructor(skylineService: RisingSkylineService);
    /**
     * Generate a random Skyline history with 100 buildings for testing purpose.
     * @param skyline$ the observable whch will emit the array of buildings
     */
    randomSkylineHistory(skyline$: BehaviorSubject<Building[]>): void;
}