{"ast_node_type":"function","tokens":[{"end":71,"kind":"keyword","start":0,"text":"fn"}]}
    fn check_item(&mut self, cx: &EarlyContext<'_>, item: &ast::Item) {
impl EarlyLintPass for UnusedImportBraces {
        if let ast::ItemKind::Use(ref use_tree) = item.kind {