def _export(
        self,
        op: onnx.ModelProto,  # type:ignore
        file_path: str,
        **kwargs: Any,
    ) -> None:
        """Export the combined ONNX model to a file.

        Args:
            op: onnx operation.
            file_path:
                The file path to export the combined ONNX model.
            kwargs: Additional arguments to save onnx model.

        """
        onnx.save(op, file_path, **kwargs)  # type:ignore
Export the combined ONNX model to a file.

        Args:
            op: onnx operation.
            file_path:
                The file path to export the combined ONNX model.
            kwargs: Additional arguments to save onnx model.

        
kornia/core/mixin/onnx.py