/**
* @param in TODO
* @throws IOException TODO
* @throws ClassNotFoundException TODO
*/
private void readObject(ObjectInput in) throws IOException, ClassNotFoundException {
var1 = U.readString(in);
var2 = U.readString(in);
map = U.readMap(in);
exprStr = U.readString(in);
}
/**
* @param out TODO
* @throws IOException TODO
*/
private void writeObject(ObjectOutput out) throws IOException {
U.writeString(out, var1);
U.writeString(out, var2);
U.writeMap(out, map);
U.writeString(out, exprStr);
}