/**
 * DocShell type definitions
 */
export interface ConversionResult {
    text: string;
    metadata: ConversionMetadata;
}
export interface ConversionMetadata {
    type: DocType;
    version: string;
    warnings: string[];
    pageCount?: number;
    slideCount?: number;
    sheetCount?: number;
    timing?: number;
    textLength: number;
}
export type DocType = 'docx' | 'pptx' | 'xlsx' | 'pdf' | 'text' | 'binary';
export interface CacheKey {
    absPath: string;
    mtimeNs: bigint;
    size: number;
    extractorSig: string;
    normVersion: string;
    configSig: string;
}
export interface CacheEntry {
    key: CacheKey;
    blobHash: string;
    createdAt: number;
}
export interface OutlineItem {
    kind: 'heading' | 'slide' | 'sheet' | 'bookmark' | 'page';
    index?: number;
    level?: number;
    title: string;
}
export interface OutlineResult {
    path: string;
    type: DocType;
    items: OutlineItem[];
    warnings: string[];
}
export interface DocShellConfig {
    cacheDir: string;
    viewId?: string;
    extensions: string[];
    maxBytes?: number;
    xlsxMaxRows: number;
    xlsxMaxCols: number;
    pptIncludeNotes: boolean;
    pdfTool: 'pdftotext' | 'pdf-parse';
    logLevel: 'error' | 'warn' | 'info' | 'debug';
    strict: boolean;
    noCache: boolean;
}
export declare const DEFAULT_CONFIG: DocShellConfig;
export declare const DOC_EXTENSIONS: Set<string>;
export declare function isDocExtension(ext: string): boolean;
export declare function getDocType(filepath: string): DocType;