{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
        let natvis_dir_path = self.sess.opts.sysroot.path().join("lib\\rustlib\\etc");
        // This will cause the Microsoft linker to embed .natvis info into the PDB file
        if let Ok(natvis_dir) = fs::read_dir(&natvis_dir_path) {