def _fetch_from_node(self, store_load, node, args, kwargs):
        """Method used by f_store/load/remove_items to find a corresponding item in the tree.

        :param store_load: String constant specifying if we want to store, load or remove
        :param node: A group, parameter or result instance.
        :param args: Additional arguments passed to the storage service
        :param kwargs: Additional keyword arguments passed to the storage service

        :return:

            A formatted request that can be handled by the storage service, aka
            a tuple: (msg, item_to_store_load_or_remove, args, kwargs)

        """
        msg = self._node_to_msg(store_load, node)

        return msg, node, args, kwargs
Method used by f_store/load/remove_items to find a corresponding item in the tree.

        :param store_load: String constant specifying if we want to store, load or remove
        :param node: A group, parameter or result instance.
        :param args: Additional arguments passed to the storage service
        :param kwargs: Additional keyword arguments passed to the storage service

        :return:

            A formatted request that can be handled by the storage service, aka
            a tuple: (msg, item_to_store_load_or_remove, args, kwargs)