import type { UsageStatus } from "../usage.js";
/** Milliseconds in one hour. */
export declare const HOUR_MS: number;
/** Milliseconds in one day. */
export declare const DAY_MS: number;
/** Milliseconds in one seven-day week. */
export declare const WEEK_MS: number;
/** Parses a finite positive epoch timestamp, tolerating seconds or milliseconds. */
export declare function parsePositiveTimestamp(value: unknown): number | undefined;
/** Parses an ISO timestamp into epoch milliseconds. */
export declare function parseIsoTimestamp(value: unknown): number | undefined;
/** Maps a used fraction to the standard quota status thresholds. */
export declare function usageStatus(usedFraction: number | undefined): UsageStatus;