try {
                final AzureAdAuthenticator authenticator = ComponentUtil.getComponent(AzureAdAuthenticator.class);
                final IAuthenticationResult newResult = authenticator.refreshTokenSilently(this);
                if (newResult != null) {
                    authResult = newResult;
                    authenticator.updateMemberOf(this);
                    permissions = null;

     * @param user The Azure AD user whose tokens need to be refreshed.
     * @return The new authentication result, or null if silent refresh failed.
     */
    public IAuthenticationResult refreshTokenSilently(final AzureAdCredential.AzureAdUser user) {
        final String authority = getAuthority() + getTenant() + "/";
        try {
            final ConfidentialClientApplication app = ConfidentialClientApplication