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'use strict';
/*! * ignore */
module.exports = function hasDollarKeys(obj) {
  if (typeof obj !== 'object' || obj === null) {    return false;  }
  const keys = Object.keys(obj);  const len = keys.length;
  for (let i = 0; i < len; ++i) {    if (keys[i][0] === '$') {      return true;    }  }
  return false;};