public static Set<ComponentProvider> getActiveProviders(final DockingWindowManager dwm) {
		PlaceholderManager pm = dwm.getPlaceholderManager();
		return pm.getActiveProviders();
	}
This class mainly serves as a conduit through which testing code can access some of the 
non-public internals of {@link DockingWindowManager}, without opening up its interface to the
public <b>and</b> without using reflective magic.
Ghidra/Framework/Docking/src/main/java/docking/DockingWindowManagerTestUtils.java