/**
 * PPTX converter for DocShell
 *
 * Extracts slides with structure:
 * # Slide <n>: <title>
 * - bullet points
 * ## Notes (if configured)
 */
import type { ConversionResult, DocShellConfig, OutlineItem } from '../types/index.js';
import { type Converter } from './base.js';
export declare class PptxConverter implements Converter {
    convert(filepath: string, config: DocShellConfig): Promise<ConversionResult>;
    extractOutline(filepath: string, _config: DocShellConfig): Promise<OutlineItem[]>;
}