code: public static function enable($enable = true)
      {
          if ($enable === true) {
              self::$enableWarnings = self::ALL;
          } elseif ($enable === false) {
              self::$enableWarnings = 0;
          } else {
              self::$enableWarnings |= $enable;
          }
      }
docs: Re-enable previously suppressed warning by id
  
  Usage example:
  Warning::suppress(Warning::WARNING_NOT_A_TYPE)
  
  When passing true - re-enables all warnings.
  
  @param bool|int $enable
  
  @api