{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"Ok(adt_def.variant_index_with_ctor_id(variant_ctor_id))"}]}
                Ok(adt_def.variant_index_with_ctor_id(variant_ctor_id))
            Res::Def(DefKind::Ctor(CtorOf::Variant, ..), variant_ctor_id) => {
            }