import { DateInput, Unit } from './types';
/**
 * Checks if a date is between two other dates or specified time units.
 * 检查一个日期是否在两个其他日期或指定的时间单位之间。
 *
 * @param date - The date to check. (要检查的日期。)
 * @param from - The start date or time unit. (起始日期或时间单位。)
 * @param to - The end date or time unit. (结束日期或时间单位。)
 * @param unit - The unit of time to compare (e.g., 'year', 'month', 'day', 'hour', 'minute', 'second', 'millisecond').
 * (要比较的时间单位，例如 'year'、'month'、'day'、'hour'、'minute'、'second'、'millisecond'。)
 * @param inclusivity - A string indicating whether the comparison is inclusive or exclusive.
 * (表示比较是否包含边界的字符串。)
 *                      - '()' means exclusive (不包含边界) (默认值)
 *                      - '[)' means inclusive on the start, exclusive on the end (包含起始边界，不包含结束边界)
 *                      - '(]' means exclusive on the start, inclusive on the end (不包含起始边界，包含结束边界)
 *                      - '[]' means inclusive (包含边界)
 * @returns A boolean indicating whether the date is between the two specified dates or time units.
 * (布尔值，表示日期是否在两个指定的日期或时间单位之间。)
 * @example
 * ```ts
 * // Checking if a date is between two dates (检查一个日期是否在两个日期之间)
 * const date = new Date('2023-10-01');
 * const from = new Date('2023-09-01');
 * const to = new Date('2023-11-01');
 * const isBetweenDates = isBetween(date, from, to, 'day');
 * console.log(isBetweenDates); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two years (检查一个日期是否在两个年份之间)
 * const date2 = new Date('2023-01-01');
 * const isBetweenYears = isBetween(date2, 2022, 2024, 'year');
 * console.log(isBetweenYears); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two months (检查一个日期是否在两个月份之间)
 * const date3 = new Date('2023-10-01');
 * const isBetweenMonths = isBetween(date3, '2023-09', '2023-11', 'month');
 * console.log(isBetweenMonths); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two days (检查一个日期是否在两个天数之间)
 * const date4 = new Date('2023-10-02');
 * const isBetweenDays = isBetween(date4, '2023-10-01', '2023-10-03', 'day');
 * console.log(isBetweenDays); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two hours (检查一个日期是否在两个小时之间)
 * const date5 = new Date('2023-10-01T12:00:00');
 * const isBetweenHours = isBetween(date5, '2023-10-01T11:00:00', '2023-10-01T13:00:00', 'hour');
 * console.log(isBetweenHours); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two minutes (检查一个日期是否在两个分钟之间)
 * const date6 = new Date('2023-10-01T12:01:00');
 * const isBetweenMinutes = isBetween(date6, '2023-10-01T12:00:00', '2023-10-01T12:02:00', 'minute');
 * console.log(isBetweenMinutes); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two seconds (检查一个日期是否在两个秒数之间)
 * const date7 = new Date('2023-10-01T12:00:01');
 * const isBetweenSeconds = isBetween(date7, '2023-10-01T12:00:00', '2023-10-01T12:00:02', 'second');
 * console.log(isBetweenSeconds); // Outputs: true (输出: true)
 *
 * // Checking if a date is between two milliseconds (检查一个日期是否在两个毫秒数之间)
 * const date8 = new Date('2023-10-01T12:00:00.500');
 * const isBetweenMilliseconds = isBetween(date8, '2023-10-01T12:00:00.000', '2023-10-01T12:00:00.999', 'millisecond');
 * console.log(isBetweenMilliseconds); // Outputs: true (输出: true)
 *
 * // Using different inclusivity options (使用不同的包含选项)
 * const date9 = new Date('2023-10-01');
 * const isBetweenInclusive = isBetween(date9, '2023-10-01', '2023-10-01', 'day', '[]');
 * console.log(isBetweenInclusive); // Outputs: true (输出: true)
 *
 * const isBetweenExclusive = isBetween(date9, '2023-10-01', '2023-10-01', 'day', '()');
 * console.log(isBetweenExclusive); // Outputs: false (输出: false)
 * ```
 */
export default function isBetween(date: Date, from: DateInput, to: DateInput, unit?: Unit, inclusivity?: string): boolean;