import type { IonStepOption } from './step-option.interface';
import { TourService } from 'ngx-ui-tour-core';
import * as i0 from "@angular/core";
export declare class IonTourService<T extends IonStepOption = IonStepOption> extends TourService<T> {
    private readonly config;
    private readonly document;
    initialize(steps: T[], stepDefaults?: T): void;
    protected showStep(step: T): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<IonTourService<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IonTourService<any>>;
}