/** Used to stand-in for `undefined` hash values. */
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								var HASH_UNDEFINED = '__lodash_hash_undefined__';
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								/**
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								 * Adds `value` to the array cache.
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								 *
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								 * @private
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								 * @name add
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								 * @memberOf SetCache
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								 * @alias push
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								 * @param {*} value The value to cache.
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								 * @returns {Object} Returns the cache instance.
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								 */
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								function setCacheAdd(value) {
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								  this.__data__.set(value, HASH_UNDEFINED);
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								  return this;
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								}
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								module.exports = setCacheAdd;
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