import { Adapter, AdapterManifest, DocumentModel, FileSourceReader, RenderContext, RenderResult, TextLayer } from '../../core/types.js';
export declare const pptxManifest: AdapterManifest;
export declare class PptxAdapter implements Adapter {
    readonly manifest: AdapterManifest;
    private slides;
    parse(source: FileSourceReader, signal: AbortSignal): Promise<DocumentModel>;
    renderPage(ctx: RenderContext): Promise<RenderResult>;
    getTextLayer(pageIndex: number, _signal?: AbortSignal): Promise<TextLayer>;
    private orderedSlideFiles;
    private parseSlideXml;
    private escapeHtml;
    dispose(): void;
}