/**
* DevExtreme (data/utils.d.ts)
* Version: 19.2.5 (build 19359-1956)
* Build date: Wed Dec 25 2019
*
* Copyright (c) 2012 - 2019 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
/** Encodes a string or array of bytes in Base64. */
export function base64_encode(input: string | Array<number>): string;
