{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"if"}]}
                        if arg_idx >= n_required_params {
                        let n_required_params = trait_.type_or_const_param_count(ctx.sema.db, true);
                            trait_.items_with_supertraits(ctx.sema.db).into_iter().for_each(|it| {