import { BzStepperService } from "./stepper.service";
export declare class PrevStepDirective {
    private _stepperService;
    constructor(_stepperService: BzStepperService);
    /**
     * Go to prev step.
     *
     * @author Federico Gambardella<federico.gambardella@micegoup.it>
     */
    prevStep(): void;
}
export declare class NextStepDirective {
    private _stepperService;
    constructor(_stepperService: BzStepperService);
    /**
     * Go to next step.
     *
     * @author Federico Gambardella<federico.gambardella@mciegroup.it>
     */
    nextStep(): void;
}