@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
SuggestRequest suggestRequest = new SuggestRequest(Strings.splitStringByCommaToArray(request.param("index")));
suggestRequest.indicesOptions(IndicesOptions.fromRequest(request, suggestRequest.indicesOptions()));
suggestRequest.listenerThreaded(false);
if (request.hasContent()) {
suggestRequest.suggest(request.content(), request.contentUnsafe());
} else {
String source = request.param("source");
if (source != null) {