@Override
 public <T extends Service, R> void coprocessorService(
     Class<T> service,
     byte[] startKey,
     byte[] endKey,
     Batch.Call<T, R> callable,
     Callback<R> callback)
     throws ServiceException, Throwable {
   table.coprocessorService(service, startKey, endKey, callable, callback);
 }
 @Override
 public <T extends Service, R> Map<byte[], R> coprocessorService(
     Class<T> service, byte[] startKey, byte[] endKey, Batch.Call<T, R> callable)
     throws ServiceException, Throwable {
   return table.coprocessorService(service, startKey, endKey, callable);
 }
 @Override
 public CoprocessorRpcChannel coprocessorService(byte[] row) {
   return table.coprocessorService(row);
 }