text: function _newArrowCheck(innerThis, boundThis) { if (innerThis !== boundThis) { throw new TypeError("Cannot instantiate an arrow function"); } }
  
  import toObject from 'to-object-x';
  import filter from 'array-filter-x';
  import reflectOwnKeys from 'reflect-own-keys-x';
  import arrayIncludes from 'array-includes-x';
  import objectKeys from 'object-keys-x';
  import getOEPS from 'get-own-enumerable-property-symbols-x';
  /**
   * This method returns only the non-enumerable own keys of an object.
   * Note: It is not possible the get a list of non-enumerable own keys in older
   * environments and therefore an empty array will be returned.
   *
   * @param {object} target - The target.
   * @throws {TypeError} - If target is null or undefined.
   * @returns {Array} The non-enumerable own keys.
   */
  
  var getOwnNonEnumerableKeys = function getOwnNonEnumerableKeys(target) {
    var _this = this;
  
    var object = toObject(target);
    var enumKeys = objectKeys(object);
    var enumSyms = getOEPS(object);
    return filter(reflectOwnKeys(object), function (key) {
      _newArrowCheck(this, _this);
  
      return arrayIncludes(enumKeys, key) === false && arrayIncludes(enumSyms, key) === false;
    }.bind(this));
  };
  
  export default getOwnNonEnumerableKeys;
  
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