sb.append('\n');
((Node)it.next()).print(sb, indent + INDENT);
}
}
}
<BUG>void printIndent(StringBuilder sb, int indent) {
</BUG>
if(sb != null) {
for(int i=0; i < indent; i++)
sb.append(' ');

sb.append('\n');
((Node)it.next()).print(sb, indent + INDENT);
}
}
}
static void printIndent(StringBuilder sb, int indent) {
if(sb != null) {
for(int i=0; i < indent; i++)
sb.append(' ');
