1  /**
 2   * If only a single value is specified (from each category: day, month, year), the
 3   * function returns a true value only on days that match that specification. If
 4   * both values are specified, the result is true between those times, including
 5   * bounds.
 6   *
 7   * Even though the examples don't show, the "GMT" parameter can be specified
 8   * in any of the 9 different call profiles, always as the last parameter.
 9   *
10   * Examples:
11   *
12   * ``` js
13   * dateRange(1)
14   * true on the first day of each month, local timezone.
15   *
16   * dateRange(1, "GMT")
17   * true on the first day of each month, GMT timezone.
18   *
19   * dateRange(1, 15)
20   * true on the first half of each month.
21   *
22   * dateRange(24, "DEC")
23   * true on 24th of December each year.
24   *
25   * dateRange(24, "DEC", 1995)
26   * true on 24th of December, 1995.
27   *
28   * dateRange("JAN", "MAR")
29   * true on the first quarter of the year.
30   *
31   * dateRange(1, "JUN", 15, "AUG")
32   * true from June 1st until August 15th, each year (including June 1st and August
33   * 15th).
34   *
35   * dateRange(1, "JUN", 15, 1995, "AUG", 1995)
36   * true from June 1st, 1995, until August 15th, same year.
37   *
38   * dateRange("OCT", 1995, "MAR", 1996)
39   * true from October 1995 until March 1996 (including the entire month of October
40   * 1995 and March 1996).
41   *
42   * dateRange(1995)
43   * true during the entire year 1995.
44   *
45   * dateRange(1995, 1997)
46   * true from beginning of year 1995 until the end of year 1997.
47   * ```
48   *
49   * dateRange(day)
50   * dateRange(day1, day2)
51   * dateRange(mon)
52   * dateRange(month1, month2)
53   * dateRange(year)
54   * dateRange(year1, year2)
55   * dateRange(day1, month1, day2, month2)
56   * dateRange(month1, year1, month2, year2)
57   * dateRange(day1, month1, year1, day2, month2, year2)
58   * dateRange(day1, month1, year1, day2, month2, year2, gmt)
59   *
60   * @param {String} day is the day of month between 1 and 31 (as an integer).
61   * @param {String} month is one of the month strings: JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
62   * @param {String} year is the full year number, for example 1995 (but not 95). Integer.
63   * @param {String} gmt is either the string "GMT", which makes time comparison occur in GMT timezone; if left unspecified, times are taken to be in the local timezone.
64   * @return {Boolean}
65   */
66  export default function dateRange(): boolean;