/**
 * Return the plural version of the input string
 *
 * @param input The word to pluralize
 * @param quantity The quantity to prepend to the word.  If omitted nothing is prepended.  If quantity is one the singular form is returned.
 * @returns The plural form of the input, or if a quantity is supplied - the quantity and the singular/plural form of the input (whichever is appropriate)
 */
export declare function plural(input: string, quantity?: number): string;
export default plural;