import { CurrentStep, Step, StepIterator } from '../interface/step';
import doublyLinkedList from '../share/doublylinkedlist/index';
import '../style/preview.less';
import EventEmitter from '../share/eventemit/event-emitter';
export default class preview {
    visible: boolean;
    el: HTMLElement;
    previewEL: HTMLElement;
    stepMap: doublyLinkedList<Step>;
    iterator: StepIterator<Step>;
    currentStep: CurrentStep;
    currentStepKey: string;
    context: any;
    event: EventEmitter;
    _timer: number;
    router: any;
    constructor(el?: HTMLElement, context?: any, router?: any, currentStepKey?: string);
    close(): void;
    show(stepMap: doublyLinkedList<Step>): void;
    private _createEvent;
    private _create;
    private _createFooter;
    private _next;
    private _evalJS;
    private _changeRouter;
    private _createTooltip;
    private _removeTimeoutError;
    private _createdTimeoutError;
}