private JComboBox<Function> buildComboBox(Side side) {
		DefaultComboBoxModel<Function> leftModel = new DefaultComboBoxModel<>();
		JComboBox<Function> comboBox = new JComboBox<>(leftModel);
		comboBox.setName(side + "FunctionComboBox");
		comboBox.setRenderer(new FunctionListCellRenderer());
		comboBox.addItemListener(comboListeners.get(side));
		return comboBox;
	}
Constructor

@param provider the comparison provider associated with this panel
@param tool the active plugin tool
@param model the comparison data model
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/MultiFunctionComparisonPanel.java