export declare enum TimeUnit { Second = "second", Minute = "minute", Hour = "hour" } export declare const TIME_UNITS_TO_MS: { second: number; minute: number; hour: number; }; export declare const TIME_UNITS_LONG: { hour: string; minute: string; second: string; }; export declare const TIME_UNITS_SHORT: { hour: string; minute: string; second: string; }; export declare function getTimeUnitsRatio(fromUnit: TimeUnit, toUnit: TimeUnit): number;