{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"Some(&tokenstream::TokenTree::Delimited(delim_span,"}]}
                Some(&tokenstream::TokenTree::Delimited(delim_span, _, delim, ref tts)) => {
                // `tree` is followed by a delimited set of token trees.
                    if part.is_pattern() {