code: @Deprecated
    @SuppressWarnings("unused")
    public void operaAction(String using, String... params) {
      exec.action(using, params);
    }
docs: Performs a special action, such as setting an Opera preference.
  
  For a list of actions call {@link #getOperaActionList()}.
  
  @param using  the action to perform.
  @param params parameters to pass to the action call
  @deprecated