() => ({}``);
({})``;
a = () => ({}).x;
({} && a, b);
({}::b, 0);
({}::b()``[''].c++ && 0 ? 0 : 0, 0);
({}(), 0);
({} = 0);
(({} = 0), 1);

const a1 = {
  someKey:
    (shortName, shortName)
};

const a2 = {
  someKey:
    (longLongLongLongLongLongLongLongLongLongLongLongLongLongName, shortName)
};

const a3 = {
  someKey:
    (longLongLongLongLongLongLongLongLongLongLongLongLongLongName, longLongLongLongLongLongLongLongLongLongLongLongLongLongName, longLongLongLongLongLongLongLongLongLongLongLongLongLongName)
};