public function getTranslationKey($key): string
    {
        return sprintf('%s.%s', $this->prefix, kebab_case($this->get($key)));
    }
public function getTranslationKey($key): string
    {
        return sprintf('%s.%s', $this->prefix, kebab_case($this->get($key)));
    }
public function getTranslationKey ( $ key ) : string { return sprintf ( '%s.%s' , $ this -> prefix , kebab_case ( $ this -> get ( $ key ) ) ) ; }
Get translation key.

@param string|int $key
@return string
Get translation key .