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diff --git a/node_modules/grunt-legacy-util/node_modules/lodash/_cloneSet.js b/node_modules/grunt-legacy-util/node_modules/lodash/_cloneSet.js
new file mode 100644
index 000000000..a6fa4a2f8
--- /dev/null
+++ b/node_modules/grunt-legacy-util/node_modules/lodash/_cloneSet.js
@@ -0,0 +1,17 @@
+var addSetEntry = require('./_addSetEntry'),
+    arrayReduce = require('./_arrayReduce'),
+    setToArray = require('./_setToArray');
+
+/**
+ * Creates a clone of `set`.
+ *
+ * @private
+ * @param {Object} set The set to clone.
+ * @returns {Object} Returns the cloned set.
+ */
+function cloneSet(set) {
+  var Ctor = set.constructor;
+  return arrayReduce(setToArray(set), addSetEntry, new Ctor);
+}
+
+module.exports = cloneSet;