{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"if"}]}
        if matches!(impl_trait_id, ImplTraitId::ReturnTypeImplTrait(..)) {
        let impl_trait_id = db.lookup_intern_impl_trait_id(opaque_ty.into());
            return Some(MethodViolationCode::ReferencesImplTraitInTrait);