LooksSameAdapter.prototype = objectAssign({}, Differ, {
  isEqual: function(img1, img2, callback) {
    var options = objectAssign({}, this._options);

    looksSame(img1, img2, options, callback);
  },

  createDiff: function(img1, img2, callback) {
    var options = objectAssign({}, this._options, {
      reference: img1,
      current: img2
    });

    looksSame.createDiff(options, callback);
  }
});