PanelBuilder builder = super.createPanelBuilder();
RowSpec[] extraRows = RowSpec.decodeSpecs("3dlu, p");
for (RowSpec extraRow : extraRows) {
builder.appendRow(extraRow);
}
CellConstraints cc = new CellConstraints();
builder.addLabel("Row Label Case:", cc.xy(1, 17));
builder.add(labelCase, cc.xywh(3, 17, 5, 1));