@Override
 public Map<String, String> get(List<String> keys, Atomicity atomicity) {
   return errorHandler.wrapObjectCall(delegate.get_bulk(keys, atomicity.value()));
 }
 @Override
 public byte[][] get(byte[][] keys, Atomicity atomicity) {
   return errorHandler.wrapObjectCall(delegate.get_bulk(keys, atomicity.value()));
 }