/**
 * A type for all valid hour numbers. (0-23)
 *
 * @category Unit
 */
export type Hour = 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23;
/**
 * A type for all valid minute numbers. (0-59)
 *
 * @category Unit
 */
export type Minute = 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59;
/**
 * A type for all valid second numbers. (0-59)
 *
 * @category Unit
 */
export type Second = Minute;
/**
 * Bounds for valid hour numbers.
 *
 * @category Internal
 */
export declare const hourBounds: {
    min: 0;
    max: 23;
};
/**
 * Bounds for valid minute numbers.
 *
 * @category Internal
 */
export declare const minuteBounds: {
    min: 0;
    max: 59;
};
/**
 * Bounds for valid second numbers.
 *
 * @category Internal
 */
export declare const secondBounds: {
    min: 0;
    max: 59;
};
/**
 * Bounds for valid millisecond numbers.
 *
 * @category Internal
 */
export declare const millisecondsBounds: {
    min: number;
    max: number;
};