'use strict';

class Result {

then(onFulfilled) {

this.onFulfilled = onFulfilled;

}

ready(data) {

if (this.onFulfilled) this.onFulfilled(data);

}

}

class Security {

static getPerson(id) {

const res = new Result();

setTimeout(() => {

const person = { id, name: 'Marcus Aurelius' };

res.ready(person);

}, 1000);

return res;

}

}

// Usage

(async () => {

const person = await Security.getPerson(10);

console.dir({ person });

})();