{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"cx.sess().opts.unstable_opts.embed_source.then_some(()).and(source_file.src.as_ref());"}]}
            cx.sess().opts.unstable_opts.embed_source.then_some(()).and(source_file.src.as_ref());
        let source =