original_string: public static function getCombinerCacheKey()
      {
          $theme = CmsTheme::getActiveTheme();
          if (!$theme->hasCustomData()) {
              return '';
          }
  
          $customData = $theme->getCustomData();
  
          return (string) $customData->updated_at ?: '';
      }
code: public static function getCombinerCacheKey()
      {
          $theme = CmsTheme::getActiveTheme();
          if (!$theme->hasCustomData()) {
              return '';
          }
  
          $customData = $theme->getCustomData();
  
          return (string) $customData->updated_at ?: '';
      }
code_tokens: public static function getCombinerCacheKey ( ) { $ theme = CmsTheme :: getActiveTheme ( ) ; if ( ! $ theme -> hasCustomData ( ) ) { return '' ; } $ customData = $ theme -> getCustomData ( ) ; return ( string ) $ customData -> updated_at ? : '' ; }
docstring: Generate a cache key for the combiner, this allows variables to bust the cache.
  @return string
docstring_tokens: Generate a cache key for the combiner this allows variables to bust the cache .