| 12345678910111213141516171819 | var constants = exports;// Helperconstants._reverse = function reverse(map) {  var res = {};  Object.keys(map).forEach(function(key) {    // Convert key to integer if it is stringified    if ((key | 0) == key)      key = key | 0;    var value = map[key];    res[value] = key;  });  return res;};constants.der = require('./der');
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