public List<T> getHiddenTabs() {
		Set<T> hiddenValues = new LinkedHashSet<>(allValues);
		hiddenValues.removeAll(getVisibleTabs());
		return new ArrayList<>(hiddenValues);
	}
Returns a list of all tab values that are not visible.
@return a list of all tab values that are not visible
Ghidra/Framework/Docking/src/main/java/docking/widgets/tab/GTabPanel.java