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diff --git a/node_modules/date-fns/esm/subISOWeekYears/index.js b/node_modules/date-fns/esm/subISOWeekYears/index.js
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+import addISOWeekYears from "../addISOWeekYears/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import toInteger from "../_lib/toInteger/index.js";
+/**
+ * @name subISOWeekYears
+ * @category ISO Week-Numbering Year Helpers
+ * @summary Subtract the specified number of ISO week-numbering years from the given date.
+ *
+ * @description
+ * Subtract the specified number of ISO week-numbering years from the given date.
+ *
+ * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} amount - the amount of ISO week-numbering years to be subtracted. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
+ * @returns {Date} the new date with the ISO week-numbering years subtracted
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Subtract 5 ISO week-numbering years from 1 September 2014:
+ * const result = subISOWeekYears(new Date(2014, 8, 1), 5)
+ * //=> Mon Aug 31 2009 00:00:00
+ */
+export default function subISOWeekYears(dirtyDate, dirtyAmount) {
+  requiredArgs(2, arguments);
+  var amount = toInteger(dirtyAmount);
+  return addISOWeekYears(dirtyDate, -amount);
+}
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