docs: public void setClientInfo(String name,
                                String value) throws SQLClientInfoException {
  
          try {
              checkClosed();
          } catch (SQLException ex) {
              SQLClientInfoException e =
                  new SQLClientInfoException(ex.getMessage(), null);
  
              e.initCause(ex);
  
              throw e;
          }
  
          SQLWarning warning = new SQLWarning("ClientInfo name not recognized: "
              + name);
  
          warning.initCause(Util.notSupported());
          addWarning(warning);
      }