import { Document, DocumentSource } from '../types/index.js';
type BrowserFile = File | Blob;
type DocumentByteSource = ArrayBuffer | Uint8Array;
export declare const extractBrowserFile: (input: unknown, fallbackName?: unknown) => BrowserFile | null;
export declare const isDocumentByteSource: (input: unknown) => input is DocumentByteSource;
export declare const documentByteSourceToBlob: (input: DocumentByteSource, type: string) => Blob;
export declare function normalizeDocumentEntry(entry: Exclude<DocumentSource, string>): Document;
export {};