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/** * Converts `set` to its value-value pairs. * * @private * @param {Object} set The set to convert. * @returns {Array} Returns the value-value pairs. */function setToPairs(set) {  var index = -1,      result = Array(set.size);
  set.forEach(function(value) {    result[++index] = [value, value];  });  return result;}
module.exports = setToPairs;