code: public static function realmNameToSlug(string $name): string
      {
          $name = \mb_strtolower($name, 'UTF-8');
          $slug = \str_replace(static::$replaceTable[0], static::$replaceTable[1], $name);
          $slug = \preg_replace(static::$regexTable[0], static::$regexTable[1], $slug);
  
          return \trim((string) $slug, '-');
      }
docs: Returns an URL friendly version of a realm name.
  
  @param string $name
  
  @return string