UserDslV8.kt

class UserDsl {
   
    ...
    
    private val contactInfoDsl = UserContactInfoDsl()
    private val rolesDsl = UserRolesDsl()

    ...

    fun build(): User {
        return User(
            name = name,
            contactInfo = ContactInfo(
                email = contactInfoDsl.email,
                phoneNumber = contactInfoDsl.phoneNumber
            ),
            roles = rolesDsl.roles
        )
    }

    ...
    
}