define(['./_setup'], function (_setup) {
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// If Underscore is called as a function, it returns a wrapped object that can
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// be used OO-style. This wrapper holds altered versions of all functions added
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// through `_.mixin`. Wrapped objects may be chained.
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function _(obj) {
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if (obj instanceof _) return obj;
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if (!(this instanceof _)) return new _(obj);
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this._wrapped = obj;
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}
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_.VERSION = _setup.VERSION;
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// Extracts the result from a wrapped and chained object.
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_.prototype.value = function() {
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return this._wrapped;
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};
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// Provide unwrapping proxies for some methods used in engine operations
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// such as arithmetic and JSON stringification.
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_.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
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_.prototype.toString = function() {
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return String(this._wrapped);
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};
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return _;
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});
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