final RenderBox titleBox = preparedCrosstabLayout.getColumnHeaderTitleBox();
final RenderBox titleColumnSlot = CrosstabLayoutUtil.getSlot(titleBox, columnSlotNumber);
final RenderBox titleSlot = CrosstabLayoutUtil.getSlot(titleColumnSlot, slotNumber);
titleSlot.clear();
builder.startSection(titleSlot, true);
builder.add(titleSlot, g.getTitleHeader(), outputFunction.getRuntime(), event.getState().getProcessKey());
outputFunction.addSubReportMarkers(builder.endSection(titleSlot, titleSlot));
final RenderBox headerBox = preparedCrosstabLayout.getColumnHeaderBox();
final RenderBox headerColumnSlot = CrosstabLayoutUtil.getSlot(headerBox, columnSlotNumber);