Untitled

class User {
  username: string;

  constructor(username: string) {
    this.username = username;
  }
}

class Admin extends User {
  isSuperAdmin: boolean;

  constructor(username: string, isSuperAdmin: boolean) {
    super(username);
    this.isSuperAdmin = isSuperAdmin;
  }
}

const user1: User = new User('user1');         // OK
const user2: User = new Admin('admin1', true); // 






class ClickstreamId extends String {
    value: string;

    constructor(value: string) {
        super(value)
        this.value = value;
    }
}


const clickstreamIdObj = new ClickstreamId("someVale")


const test: string = clickstreamIdObj