tf-25.ts

/** @deprecated use User class instead */
class OldUser {}

class User {

  /** @deprecated */
  constructor(public username: string, public age: number) {}

  /** @deprecated */
  static createUser(username: string, age: number) { 
    /* ... */ 
  }

  static create(username: string, age: number) {
    /* ... */
  }
}

const oldUser = new OldUser();

const user1 = new User('John', 34);
const user2 = User.createUser('John', 34);
const user3 = User.create('John', 34);