.build();

            final SilentParameters parameters = SilentParameters
                    .builder(Collections.singleton("https://graph.microsoft.com/.default"), user.getAuthenticationResult().account())
                    .build();

            final IAuthenticationResult result = app.acquireTokenSilently(parameters).get(acquisitionTimeout, TimeUnit.MILLISECONDS);

            return true;
        }

        /**
         * Gets the Azure AD authentication result.
         * @return The authentication result.
         */
        public IAuthenticationResult getAuthenticationResult() {
            return authResult;
        }

        /**
         * Sets the user's group memberships.
         * @param groups Array of group names.
         */