code: public String browseOlapp(Tenant tenant, Map<String, String> parameters) {
          checkServiceState();
          return Olapp.process(tenant, m_olap, parameters);
      }
docs: Perform the given OLAP browser (_olapp) command.
  
  @param tenant        Tenant context for command.
  @param parameters    OLAP browser parameters. Should be empty to start the browser
  at the home page.
  @return              An HTML-formatted page containing the results of the given
  OLAP browser command.