///
import type { BN } from '../bn/bn';
import type { NumberOptions, ToBigInt, ToBn } from '../types';
/**
* @name nToU8a
* @summary Creates a Uint8Array object from a bigint.
*/
export declare function nToU8a(value?: ExtToBn | BN | bigint | number | null, options?: NumberOptions): Uint8Array;