import PPTX from "../reader";
import { PreviewerOptionsType } from "./type";
export declare class PPTXPreviewer {
    private pptx;
    private htmlRender;
    private dom;
    private options;
    private currentIndex;
    wrapper: HTMLElement;
    constructor(dom: HTMLElement, options: PreviewerOptionsType);
    get slideCount(): number;
    _renderWrapper(): void;
    renderNextButton(): HTMLDivElement;
    renderPreButton(): HTMLDivElement;
    updatePagination(): void;
    renderPagination(container: HTMLElement): void;
    removeCurrentSlide(): void;
    renderSlide(index: number): void;
    renderNextSlide(): void;
    renderPreSlide(): void;
    _addPre(t: any): void;
    preview(file: ArrayBuffer | Blob): Promise<PPTX>;
    load(file: ArrayBuffer | Blob): Promise<PPTX>;
    renderSingleSlide(index: number): void;
    dispose(): void;
    _reset(): void;
}