text: export class User {
      constructor(firstName, lastName, address, email, password){
        this.first_name = firstName;
        this.last_name = lastName;
        this.address = address;
        this.email = email;
        this.password = password;
      }
    }
    
    export class UserInput extends User {
      constructor(firstName, lastName, address, email, password){
        super(firstName, lastName, address, email, password);
      }
    }
    
    export class UserInputMessage {
      constructor(status, description){
        this.status = status;
        this.description = description;
      }
    }
    
    export class StatusMessage {
      constructor(status_code, message, description){
        this.status_code = status_code;
        this.message = message;
        this.description = description || message;
      }
    }
    
    export class Address {
      constructor(address1, address2, city, state, zip, country){
        this.address1 = address1;
        this.address2 = address2;
        this.city = city;
        this.state = state;
        this.zip = zip;
        this.country = country;
      }
    }
    
    export class AddressInput extends Address {
      constructor(address1, address2, city, state, zip, country){
        super(address1, address2, city, state, zip, country);
      }
    }