/**
 * Convert all applicable characters to HTML entities.
 * @param str - input string
 * @returns - Converted string
 */
export declare function encodeHTMLEntities(str: string): string;
/**
 * Convert HTML entities to their corresponding characters
 * @param str - The string to be converted
 * @returns - Converted string
 */
export declare const decodeHTMLEntities: (str: string) => string;