{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
    let self_completion_items = ["self", "&self", "mut self", "&mut self"];
    remove_duplicated(&mut file_params, param_list.params());
    if should_add_self_completions(ctx.token.text_range().start(), param_list, impl_) {