{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"Symbol::intern(&key.to_string_lossy()),"}]}
        Symbol::intern(&key.to_string_lossy()),
    tcx.sess.psess.env_depinfo.borrow_mut().insert((
        value.as_ref().and_then(|value| value.to_str()).map(|value| Symbol::intern(&value)),