static synchronized void install() {
        if ( instance == null ) {
            instance = new DockingWindowsContextSensitiveHelpListener();
        }
    }
A listener class that allows the DockingWindowsManager to be updated as the user mouses 
over components.
Ghidra/Framework/Docking/src/main/java/docking/DockingWindowsContextSensitiveHelpListener.java