def highlight(self, search: "SearchBase[_R]") -> "SearchBase[_R]":
        """
        Add highlighting for all the fields
        """
        return search.highlight(
            *(f if "^" not in f else f.split("^", 1)[0] for f in self.fields)
        )

        Add highlighting for all the fields
        
elasticsearch/dsl/faceted_search_base.py