/**
 * Convert value into number for arithmetic (+ - * / ^, unary +/-, numeric literals).
 * Strings that are not strictly numeric (no parseFloat prefix tricks) become NaN.
 *
 * @param {*} number
 * @returns {number|NaN}
 */
export function toNumber(number: any): number | number;
/**
 * Invert provided number (unary minus).
 *
 * @param {*} number
 * @returns {number}
 */
export function invertNumber(number: any): number;