{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"[TokenTree::Leaf(Leaf::Ident(trait_name))]"}]}
        [TokenTree::Leaf(Leaf::Ident(trait_name))] => Some((trait_name.as_name(), Box::new([]))),
        // `#[rustc_builtin_macro(Trait)]`