/**
 * Compare two CSS <time> values
 * @param {string} a
 * @param {string} b
 * @returns {number} 0 if equal, smaller than 0 if A is less than B, >0 if A is greater than B. `ms` will be sorted before `s`
 * @example
 * compare('1s', '2s') // -1
 * compare('1000ms', '1s') // 0
 */
export function compare(a: string, b: string): number;
/**
 * Convert a time string to ms
 * @param {string} time
 * @returns {number}
 * @example
 * convert('1s') // 1000
 * convert('1ms') // 1
 * convert('+2ms') // 2
 * convert('var(--foo)') // Number.MAX_SAFE_INTEGER - 1
 * convert('bars') // Number.MAX_SAFE_INTEGER
 */
export function convert(time: string): number;