def stream_update_index(
    index: MatchingEngineIndex, data_points: List["meidx_types.IndexDataPoint"]
) -> None:
    """
    Updates an index using stream updating.

    Args:
        index: Vector search index.
        data_points: List of IndexDataPoint.

    """
    index.upsert_datapoints(data_points)

    Updates an index using stream updating.

    Args:
        index: Vector search index.
        data_points: List of IndexDataPoint.

    
llama-index-integrations/vector_stores/llama-index-vector-stores-vertexaivectorsearch/llama_index/vector_stores/vertexaivectorsearch/utils.py