List<BSimFilterType> getChoosableFilterTypes() {
		ComboBoxModel<BSimFilterType> model = filterComboBox.getModel();
		List<BSimFilterType> types = new ArrayList<>();
		for (int i = 0; i < model.getSize(); i++) {
			types.add(model.getElementAt(i));
		}
		return types;
	}
Returns all values in the filter as a list. For filters that do not allow
multiple entries, this will always return a list of only one item.

@return filter values
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/gui/search/dialog/FilterWidget.java