protected void moveListUpDown(boolean isUp) {
		int index = jList.getSelectedIndex();
		if (isUp) {
			if (index > 0) {
				jList.setSelectedIndex(index - 1);
			}
		}
		else if (index < model.getSize() - 1) {
			jList.setSelectedIndex(index + 1);
		}
	}
Disposes the component and clears all the model data
Ghidra/Framework/Docking/src/main/java/docking/widgets/searchlist/SearchList.java