//! `create_onnx_backend` — build an [`OnnxBackend`] from its config.
//!
//! Mirrors Python [`operonx/providers/onnx/factory.py`](../../../../../operonx/providers/onnx/factory.py).
use Arc;
use ;
use OnnxInferenceConfig;
use crateOperonError;
/// Construct the default ONNX backend.