{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"for"}]}
    for caller_param in &caller_generics.own_params {
    let mut remap_table = FxHashMap::default();
        let callee_index = callee_generics.param_def_id_to_index(tcx, caller_param.def_id).unwrap();