{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"(span.shrink_to_hi(),"}]}
                (span.shrink_to_hi(), format!("`{}`", snippet))
            (token::Eof, Some(_)) if let Ok(snippet) = sm.span_to_snippet(sm.next_point(span)) => {
            }