langchain/retrievers/milvus.py/MilvusRetreiver/add_texts
class MilvusRetreiver:    def add_texts(
        self, texts: List[str], metadatas: Optional[List[dict]] = None
    ) -> None:
        """Add text to the Milvus store

        Args:
            texts (List[str]): The text
            metadatas (List[dict]): Metadata dicts, must line up with existing store
        """
        self.store.add_texts(texts, metadatas)