docs: public static String getInternalActionId(String actionId)
      {
          final int delimiterIndex;
  
          if (actionId == null)
          {
              return null;
          }
  
          delimiterIndex = actionId.indexOf(INTERNAL_ACTION_ID_DELIMITER);
          if (delimiterIndex > 0)
          {
              return actionId.substring(0, delimiterIndex);
          }
          return null;
      }