reportOutput.write(tree, new IReportRenderer() {
@Override
public String render(ISerializedObjectTree tree) {
Report report = new Report("TreeSizeReport\n");
process(tree, report, 0, tree.size() + tree.childSize());
String result = report
.export(emptyFirst, id, percent, sum, local,
child, label).separateColumnNamesWith('-')
.tableBorderWith('=').asString();
return result;