/**
 * A function that can decode the given codePoint
 * @param {number} codePoint
 * @returns {string}
 */
export declare function decodeCodePoint(codePoint: number): string;
/**
 * Returns true if the provided character is whitespace
 * @param {string} char
 * @returns {boolean}
 */
export declare function isWhitespace(char: string): boolean;