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define(['./_MapCache', './_setCacheAdd', './_setCacheHas'], function(MapCache, setCacheAdd, setCacheHas) {
  /**   *   * Creates an array cache object to store unique values.   *   * @private   * @constructor   * @param {Array} [values] The values to cache.   */  function SetCache(values) {    var index = -1,        length = values == null ? 0 : values.length;
    this.__data__ = new MapCache;    while (++index < length) {      this.add(values[index]);    }  }
  // Add methods to `SetCache`.  SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;  SetCache.prototype.has = setCacheHas;
  return SetCache;});