@Override
		public Component getLastComponent(Container aContainer) {
			List<Component> list = getFocusComponents();
			return list.get(list.size() - 1);
		}
Finds the first sibling of the given component in the given list.  

@param component the component that is not in the list, but has a sibling in the list
@param list the list of focus traversal components
@return the sibling or null
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompositeEditorPanel.java