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var ListCache = require('./_ListCache'),    stackClear = require('./_stackClear'),    stackDelete = require('./_stackDelete'),    stackGet = require('./_stackGet'),    stackHas = require('./_stackHas'),    stackSet = require('./_stackSet');
/** * Creates a stack cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */function Stack(entries) {  var data = this.__data__ = new ListCache(entries);  this.size = data.size;}
// Add methods to `Stack`.Stack.prototype.clear = stackClear;Stack.prototype['delete'] = stackDelete;Stack.prototype.get = stackGet;Stack.prototype.has = stackHas;Stack.prototype.set = stackSet;
module.exports = Stack;