export type Rate = [number, RateUnit];
export type RateUnit = 'ms' | '100ms' | '250ms' | '500ms' | 's' | '2s' | '5s' | '10s' | '15s' | '30s' | '45s' | 'm' | '2m' | '5m' | '10m' | '15m' | '30m' | '45m' | 'h' | '2h' | '6h' | '12h' | 'd';
export declare function TTLTime(unit: RateUnit): number;