/**
 * The number of milliseconds in a second.
 *
 * @example
 * ```ts
 * import { SECOND } from "@std/datetime/constants";
 *
 * SECOND; // 1_000
 * ```
 */
export declare const SECOND = 1000;
/**
 * The number of milliseconds in a minute.
 *
 * @example
 * ```ts
 * import { MINUTE } from "@std/datetime/constants";
 *
 * MINUTE; // 60_000
 * ```
 */
export declare const MINUTE: number;
/**
 * The number of milliseconds in an hour.
 *
 * @example
 * ```ts
 * import { HOUR } from "@std/datetime/constants";
 *
 * HOUR; // 3_600_000
 * ```
 */
export declare const HOUR: number;
/**
 * The number of milliseconds in a day.
 *
 * @example
 * ```ts
 * import { DAY } from "@std/datetime/constants";
 *
 * DAY; // 86_400_000
 * ```
 */
export declare const DAY: number;
/**
 * The number of milliseconds in a week.
 *
 * @example
 * ```ts
 * import { WEEK } from "@std/datetime/constants";
 *
 * WEEK; // 604_800_000
 * ```
 */
export declare const WEEK: number;
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