/**
 * Capitalize the first letter of a string
 * @param {string} string - The string to capitalize.
 * @returns Nothing.
 */
export declare function capitalizeFirstLetter(string: string): string;
/**
 * Converts an html characterSet into its original character.
 *
 * @param {String} str htmlSet entities
 **/
export declare function decode(str: string): string;