var _ref3;

const {
  a = _ref => {
    let rest = babelHelpers.extends({}, _ref);
    let _ref2 = {},
        b = babelHelpers.extends({}, _ref2);
  },
  c = (_ref3 = {}, ({} = _ref3), d = babelHelpers.extends({}, _ref3), _ref3)
} = {};