const user = {
  name: 'Alice',
  age: 30,
  active: true
};

console.log(Ant.gc());

console.log(user.age); // Output: 30

delete user.age; // The 'delete' operator returns true on success

console.log(user.age); // Output: undefined
console.log(user); // Output: { name: 'Alice', active: true }
console.log(Ant.gc());