protected static void load(DumpNode parent, DumpNodeReader reader) {
while (reader.hasNext()) {
DumpNode child = reader.next();
if (parent._level == child._level - 1) {
parent._children.add(child);
} else if (parent._level == child._level - 2) {
reader.goBack();
load(parent._children.get(parent._children.size() - 1), reader);
} else {
reader.goBack();
return;
}
}
}
