private Component buildButtonPanel() {
		JPanel panel = new JPanel(new BorderLayout());
		Icon icon = Icons.ADD_ICON;
		icon = ResourceManager.getScaledIcon(icon, BUTTON_ICON_SIZE, BUTTON_ICON_SIZE);

		JButton button = new EmptyBorderButton(icon);
		button.setToolTipText("Add a column condition");
		button.addActionListener(e -> filterEntry.addFilterCondition());
		panel.add(button, BorderLayout.NORTH);

		return panel;
	}
Panel for displaying a single column filter entry.  This consists of multiple ConstraintFilterPanels
for each "OR" condition in this column filter entry.
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/dialog/ColumnFilterPanel.java