def delete(self, ref_doc_id: str, **delete_kwargs: Any) -> None:
        """
        Delete nodes using a ref_doc_id.
        Synchronous wrapper,using asynchronous logic of async_add function in synchronous way.

        Args:
            ref_doc_id (str): The doc_id of the document whose nodes should be deleted.

        """
        asyncio.get_event_loop().run_until_complete(
            self.adelete(ref_doc_id, **delete_kwargs)
        )

        Delete nodes using a ref_doc_id.
        Synchronous wrapper,using asynchronous logic of async_add function in synchronous way.

        Args:
            ref_doc_id (str): The doc_id of the document whose nodes should be deleted.

        
llama-index-integrations/vector_stores/llama-index-vector-stores-lindorm/llama_index/vector_stores/lindorm/base.py