public static synchronized List<DockingWindowManager> getAllDockingWindowManagers() {
		return new ArrayList<>(instances);
	}
Returns a new list of all DockingWindowManager instances known to exist, ordered from least
to most-recently active.

@return a new list of all DockingWindowManager instances know to exist.
Ghidra/Framework/Docking/src/main/java/docking/DockingWindowManager.java