code: @Override
      public boolean printNative(Appendable app, int indentLevel, FilterValues<S> values)
          throws IOException
      {
          boolean result = false;
          for (QueryExecutor<S> executor : mExecutors) {
              result |= executor.printNative(app, indentLevel, values);
          }
          return result;
      }
docs: Prints native queries of the wrapped executors.