public <T> Object factory(Class<T> clazz) {
        if (clazz.equals(BusinessType.class)) {
            return new BusinessType();
        }
        if (clazz.equals(Credential.class)) {
            return new Credential();
        }
        if (clazz.equals(DocumentType.class)) {
            return new DocumentType();
        }
        if (clazz.equals(Document.class)) {
            return new Document();
        }
        if (clazz.equals(Role.class)) {
            return new Role();
        }
        if (clazz.equals(UserMask.class)) {
            return new UserMask();
        }
        if (clazz.equals(ContactInformation.class)) {
            return new ContactInformation();
        }
        if (clazz.equals(IRBS.class)) {
            return new IRBS();
        }
        if (clazz.equals(Address.class)) {
            return new Address();
        }
        if (clazz.equals(Organization.class)) {
            return new Organization();
        }
        if (clazz.equals(Signature.class)) {
            return new Signature();
        }
        if (clazz.equals(Citizenship.class)) {
            return new Citizenship();
        }
        if (clazz.equals(Country.class)) {
            return new Country();
        }
        if (clazz.equals(User.class)) {
            return new User();
        }
        return null;
    }