import type { CompoundFile } from './cfb.js';
/** Little-endian `u16` at `off`; `undefined` when out of bounds. */
export declare function getU16(b: Uint8Array, off: number): number | undefined;
/** Little-endian `u32` at `off`; `undefined` when out of bounds. */
export declare function getU32(b: Uint8Array, off: number): number | undefined;
/**
 * Read a named stream from an OLE2 compound file. A missing stream is
 * `missingPart`.
 */
export declare function readOleStream(ole: CompoundFile, name: string): Uint8Array;