google/generativeai/types/retriever_types.py [401:433]:
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    def _apply_update(self, path, value):
        parts = path.split(".")
        for part in parts[:-1]:
            self = getattr(self, part)
        setattr(self, parts[-1], value)

    def update(
        self,
        updates: dict[str, Any],
        client: glm.RetrieverServiceClient | None = None,
        request_options: helper_types.RequestOptionsType | None = None,
    ):
        """
        Update a list of fields for a specified `Corpus`.

        Args:
            updates: List of fields to update in a `Corpus`.
            request_options: Options for the request.

        Return:
            Updated version of the `Corpus` object.
        """
        if request_options is None:
            request_options = {}

        if client is None:
            client = get_default_retriever_client()

        updates = flatten_update_paths(updates)
        # At this time, only `display_name` can be updated
        for item in updates:
            if item != "display_name":
                raise ValueError(
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google/generativeai/types/retriever_types.py [1153:1185]:
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    def _apply_update(self, path, value):
        parts = path.split(".")
        for part in parts[:-1]:
            self = getattr(self, part)
        setattr(self, parts[-1], value)

    def update(
        self,
        updates: dict[str, Any],
        client: glm.RetrieverServiceClient | None = None,
        request_options: helper_types.RequestOptionsType | None = None,
    ):
        """
        Update a list of fields for a specified document.

        Args:
            updates: The list of fields to update.
            request_options: Options for the request.

        Return:
            `Chunk` object with specified updates.
        """
        if request_options is None:
            request_options = {}

        if client is None:
            client = get_default_retriever_client()

        updates = flatten_update_paths(updates)
        # At this time, only `display_name` can be updated
        for item in updates:
            if item != "display_name":
                raise ValueError(
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