code: public void ENsetreport( String command ) throws EpanetException {
          int err = epanet.ENsetreport(command);
          checkError(err);
      }
docs: Issues a report formatting command. Formatting commands are the
  same as used in the [REPORT] section of the EPANET Input file.
  
  @param command text of a report formatting command.
  @throws EpanetException