{"ast_node_type":"function","tokens":[{"end":84,"kind":"keyword","start":0,"text":"item.lookup_by(format!(\"{}fn"}]}
    item.lookup_by(format!("{}fn {}", async_, fn_name.display(ctx.db, ctx.edition)))
    let mut item = CompletionItem::new(completion_kind, replacement_range, label, ctx.edition);
        .set_documentation(func.docs(ctx.db))