* @summary Return the end of an ISO week-numbering year for the given date.
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*
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* @description
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* Return the end of an ISO week-numbering year,
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* which always starts 3 days before the year's first Thursday.
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* The result will be in the local timezone.
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*
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* ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
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*
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* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
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*
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* @param date - The original date
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*
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* @returns The end of an ISO week-numbering year
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*
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* @example
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* // The end of an ISO week-numbering year for 2 July 2005:
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* const result = endOfISOWeekYear(new Date(2005, 6, 2))