/**
 * Parses time string
 * Less strict than CSS spec, allows empty string, numbers without units, ending dot, hours, minutes etc.
 * @example
 * `.3s`, `4.5s`, `1000ms`, `700`, `1h20m30s`, `2h`, `5m`, `25m1s`, `2h10s`
 * @returns number - time in milliseconds
 */
export declare function parseTime(timeStr: number | string): number;
/**
 * Restrictive time parser according to [CSS style](https://developer.mozilla.org/en-US/docs/Web/CSS/time) spec.
 * @see {@link parseTime}
 */
export declare const parseCSSTime: (timeStr: string) => number;
/**
 * Parses string of times ([CSS style](https://developer.mozilla.org/en-US/docs/Web/CSS/time))
 * @example
 * `.3s`, `4.5s,1000ms`, `1s, 5s`
 * @returns number[] - array of times in milliseconds
 */
export declare function parseCSSTimeSet(timeStr: string): number[];
/**
 * Converts time value to seconds
 * @example
 * ```
 * null => 0
 * '3' => 3
 * `.3s` => 0
 * `4.5s` => 4
 * `1000ms` => 1
 * `2m3s` => 123
 * ```
 */
export declare const parseTimeSeconds: (value: number | string | null) => number;