The `get_objects_node` method in the `opcua.Client` class in Python is used to retrieve the root node of the server's object model. This method returns an instance of `ua.Node` representing the top-level node of the server's object hierarchy. This node serves as the entry point for browsing and interacting with various objects and their attributes defined by the OPC UA server. By accessing this root node, users can navigate through the server's address space and perform operations such as reading, writing, and subscribing to data.
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