code: @Override
      public void initModule() throws ModuleInitializationException {
  
          String dsMediation = getParameter("doMediateDatastreams");
          if (dsMediation == null) {
              throw new ModuleInitializationException("doMediateDatastreams parameter must be specified.",
                                                      getRole());
          }
      }
docs: <p>
  Initializes the module.
  </p>
  
  @throws ModuleInitializationException
  If the module cannot be initialized.