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diff --git a/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/function/once.js b/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/function/once.js
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+++ b/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/function/once.js
@@ -0,0 +1,24 @@
+var before = require('./before');
+
+/**
+ * Creates a function that is restricted to invoking `func` once. Repeat calls
+ * to the function return the value of the first call. The `func` is invoked
+ * with the `this` binding and arguments of the created function.
+ *
+ * @static
+ * @memberOf _
+ * @category Function
+ * @param {Function} func The function to restrict.
+ * @returns {Function} Returns the new restricted function.
+ * @example
+ *
+ * var initialize = _.once(createApplication);
+ * initialize();
+ * initialize();
+ * // `initialize` invokes `createApplication` once
+ */
+function once(func) {
+ return before(2, func);
+}
+
+module.exports = once;