import UtilID from "./UtilID";
import UtilMath from "./UtilMath";
import UtilType, { PrimitiveType } from "./UtilType";
export default class Util {
    static Math: typeof UtilMath;
    static ID: typeof UtilID;
    static Type: typeof UtilType;
    /** Returns `true` if the environment is a browser window, `false` if it's a node process */
    static readonly isBrowser: boolean;
    /**
     * Returns a Promise that resolves when the specified time elapses
     * @param {number} timeout Wait time (in ms)
     */
    static sleep(timeout: number): Promise<void>;
    /**
     * URL-encodes the provided value
     * @param {string} value Original value
     * @returns {string} Encoded value
     */
    static encode(value: PrimitiveType): string;
    /**
     * Iterates over an array, URL-encoding its elements
     * @param {PrimitiveType[]} array Original array
     * @returns {string[]} Encoded array
     */
    static encodeArray(array: PrimitiveType[]): string[];
    /**
     * Environment-independent implementation of BTOA.
     * Uses a native method in the browsers, falls back to Node alternative otherwise
     * @param {string} input Input string
     * @returns {string} Base64 output
     */
    static btoa(input: string): string;
    /**
     * Environment-independent implementation of ATOB.
     * Uses a native method in the browsers, falls back to Node alternative otherwise
     * @param {string} input Base64 input
     * @returns {string} Output string
     */
    static atob(input: string): string;
}