References to input node names
Unique name for this node (e.g. "add", "linear_1")
Node type: 'placeholder' for inputs/params, 'call_function' for ops, 'output' for result
Operation target (e.g. "aten.add.default")
Optionalval_Output tensor shape, if available
A graph node in the exported program, matching PyTorch's FX node format.