text: function getPrototypeOf(o) {
    getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function getPrototypeOf(o) {
      return o.__proto__ || Object.getPrototypeOf(o);
    };
    return getPrototypeOf(o);
  }
  
  export default function _getPrototypeOf(o) {
    return getPrototypeOf(o);
  }