code: public SQLBuilder rewrite(final boolean isSingleRouting) {
          SQLBuilder result = new SQLBuilder(parameters);
          if (sqlTokens.isEmpty()) {
              return appendOriginalLiterals(result);
          }
          appendInitialLiterals(!isSingleRouting, result);
          appendTokensAndPlaceholders(!isSingleRouting, result);
          reviseParameters();
          return result;
      }
docs: rewrite SQL.
  
  @param isSingleRouting is rewrite
  @return SQL builder