@Override
	public void addFunctionComparisonModelListener(FunctionComparisonModelListener listener) {
		listeners.add(listener);
	}
Base class for implementers of the FunctionComparisonModel. Provides listener support and
tracking for the selected function for each side.
Ghidra/Features/Base/src/main/java/ghidra/features/base/codecompare/model/AbstractFunctionComparisonModel.java