export function extractBrowserFile(input: File | Blob | UploadWrapper | any, fallbackName?: string): File | Blob | null;
export function isDocumentByteSource(input: unknown): input is ArrayBuffer | Uint8Array;
export function documentByteSourceToBlob(input: ArrayBuffer | Uint8Array, type: string): Blob;
export function normalizeDocumentEntry(entry: File | Blob | UploadWrapper | DocumentEntry | any): DocumentEntry | any;
export type UploadWrapper = {
    /**
     * Underlying file reference used by some uploaders
     */
    originFileObj?: File | Blob | undefined;
    /**
     * Underlying file reference used by some uploaders
     */
    file?: File | Blob | undefined;
    /**
     * Underlying file reference used by some uploaders
     */
    raw?: File | Blob | undefined;
    /**
     * Optional unique id from uploaders (ignored)
     */
    uid?: string | number | undefined;
    /**
     * Display name (not always reliable for the native file)
     */
    name?: string | undefined;
};
export type DocumentEntry = {
    /**
     * Mime type or shorthand ('docx' | 'pdf' | 'html')
     */
    type?: string | undefined;
    /**
     * Filename to display
     */
    name?: string | undefined;
    /**
     * Document data
     */
    data?: File | Blob | ArrayBuffer | Uint8Array<ArrayBufferLike> | UploadWrapper | undefined;
    /**
     * Remote URL to fetch; left as-is for URL flows
     */
    url?: string | undefined;
    isNewFile?: boolean | undefined;
};