text:   const handler1 = {
    setPrototypeOf(monster1, monsterProto) {
      monster1.geneticallyModified = true;
      return false;
    }
  };
  
  const monsterProto = {};
  const monster1 = {
    geneticallyModified : false
  };
  
  const proxy1 = new Proxy(monster1, handler1);
  // Object.setPrototypeOf(proxy1, monsterProto); // throws a TypeError
  
  console.log(Reflect.setPrototypeOf(proxy1, monsterProto));
  // expected output: false
  
  console.log(monster1.geneticallyModified);
  // expected output: true