{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"trees.push(TokenTree::Group(Group"}]}
                    trees.push(TokenTree::Group(Group {
                        TokenStream::token_alone(token::Lifetime(ident.name, is_raw), ident.span);
                        delimiter: rustc_proc_macro::Delimiter::None,