import { EventEmitter } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class StepService {
    private _next;
    private _previous;
    stopEmmiter: EventEmitter<boolean>;
    isFirstStep: EventEmitter<boolean>;
    get getNext(): Observable<void>;
    get getPrevious(): Observable<void>;
    initialize(): void;
    next(): void;
    previous(): void;
    stop(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<StepService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<StepService>;
}