import type { AnyString } from '../types.js'; /** * @name stringToU8a * @summary Creates a Uint8Array object from a utf-8 string. * @description * String input values return the actual encoded `UInt8Array`. `null` or `undefined` values returns an empty encoded array. * @example *
* * ```javascript * import { stringToU8a } from '@polkadot/util'; * * stringToU8a('hello'); // [0x68, 0x65, 0x6c, 0x6c, 0x6f] * ``` */ export declare function stringToU8a(value?: AnyString | null): Uint8Array;