/**
 * TurboCommons is a general purpose and cross-language library that implements frequently used and generic software development tasks.
 *
 * Website : -> https://turboframework.org/en/libs/turbocommons
 * License : -> Licensed under the Apache License, Version 2.0. You may not use this file except in compliance with the License.
 * License Url : -> http://www.apache.org/licenses/LICENSE-2.0
 * CopyRight : -> Copyright 2015 Edertone Advanded Solutions (08211 Castellar del Vallès, Barcelona). http://www.edertone.com
 */
/**
 * The most common conversion utilities to convert the data from a simple type to another one.<br>
 * To convert complex classes or structures, use SerializationUtils class.
 *
 * <pre><code>
 * This is a static class, so no instance needs to be created.
 * Usage example:
 *
 * var ns = org_turbocommons_utils;
 *
 * var result1 = ns.ConversionUtils.stringToBase64('hello');
 * var result2 = ns.ConversionUtils.base64ToString('somebase64text');
 * ...
 * </code></pre>
 */
export declare class ConversionUtils {
    /**
     * Encode a string to base64 (Which contains only numbers, uppercase, lowercase, forward slash, plus and equal signs)
     * Found at: http://www.webtoolkit.info/
     *           http://www.webtoolkit.info/javascript-base64.html#.VO3gzjSG9AY
     *
     * @param {string} string The input string to be converted
     * @returns {string} The input string as base 64
     */
    static stringToBase64(string: string): string;
    /**
     * Decode a string from base64 (Which contains only numbers, uppercase, lowercase, forward slash, plus and equal signs)
     * Found at: http://www.webtoolkit.info/
     *           http://www.webtoolkit.info/javascript-base64.html#.VO3gzjSG9AY
     *
     * @param {string} string a base64 string
     *
     * @returns {string} The base64 decoded as its original string
     */
    static base64ToString(string: string): string;
}