{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"let"}]}
                let span = span_map.span_for_range(comment.syntax().text_range());
            Either::Right(comment) if DESUGAR_COMMENTS => comment.doc_comment().map(|doc| {
                let (text, kind) = desugar_doc_comment_text(doc, DocCommentDesugarMode::ProcMacro);