{"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"debug_assert!("}]}
        debug_assert!(
    pub fn from_scalar_pair(a: Scalar<Prov>, b: Scalar<Prov>, layout: TyAndLayout<'tcx>) -> Self {
            matches!(layout.backend_repr, BackendRepr::ScalarPair(..)),