{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"infcx.tcx.sess.opts.unstable_opts.mir_include_spans,"}]}
            infcx.tcx.sess.opts.unstable_opts.mir_include_spans,
        include_extra_comments: matches!(
            MirIncludeSpans::On | MirIncludeSpans::Nll