/**
 * Formats a number into a string for display purposes.
 *
 * @function
 * @public
 * @param {number|null|undefined} value
 * @param {number} digits
 * @param {string=} thousandsSeparator
 * @param {boolean=} useParenthesis
 */
export function numberToString(value: number | null | undefined, digits: number, thousandsSeparator?: string | undefined, useParenthesis?: boolean | undefined): string;