code: private NiceTable generateHeader(final NiceTable table) {
          table.addHeader("Benchmark");
          table.addRow(new String[]{"-", "unit", "sum", "min", "max", "avg", "stddev", "conf95", "runs"});
          return table;
      }
docs: Generating header for a given table.
  
  @param table the table where the header should fit to
  @return another {@link NiceTable} instance