byte[] responseBuf =
parentDelegate.makeSyncCall(env, service, method, requestBuf);
if (DATASTORE_SERVICE.equals(service) && PUT_METHOD.equals(method)) {
PutResponse response = new PutResponse();
response.mergeFrom(responseBuf);
for (Reference r : response.keys()) {
datastoreKeys.add(DatastoreUtil.referenceToKey(r));
}
} else if (service.equals(MAIL_SERVICE)
&& method.startsWith(SEND_METHOD)) { // Send[ToAdmins]
MailMessage messagePb = new MailMessage();