docs: public List<String> suggest(final String search, final int max_results) 
      throws HBaseException {
      if (max_results < 1) {
        throw new IllegalArgumentException("Count must be greater than 0");
      }
      try {
        return suggestAsync(search, max_results).joinUninterruptibly();
      } catch (HBaseException e) {
        throw e;
      } catch (Exception e) {  // Should never happen.
        final String msg = "Unexpected exception caught by "
          + this + ".suggest(" + search + ')';
        LOG.error(msg, e);
        throw new RuntimeException(msg, e);  // Should never happen.
      }
    }