code: @Override
      @SuppressWarnings("rawtypes")
      public Query createNativeQuery(String sqlString, Class resultClass)
      {
          return ivEm.createNativeQuery(sqlString, resultClass);
      }
docs: /*
  (non-Javadoc)
  
  @see javax.persistence.EntityManager#createNativeQuery(java.lang.String, java.lang.Class)