pub fn backend_resolution_to_ret(res: &BackendResolution) -> NrosRmwRetExpand description
Phase 128.A.3 — map a BackendResolution to its canonical
NrosRmwRet. BackendResolution::Single is not an error and
returns NROS_RMW_RET_OK; callers needing the vtable should
pattern-match on the resolution itself.