default Optional<DuoSecurityUserAccount> getDuoSecurityUserAccount(final String username) throws Exception {
        return getDuoSecurityUserAccount(username, true);
    }
Gets user.

@param username the username
@return the user
@throws Exception the exception
support/cas-server-support-duo-core-mfa/src/main/java/org/apereo/cas/adaptors/duo/authn/DuoSecurityAdminApiService.java