@Override
	public DockingWindowManager getWindowManager() {
		return winMgr;
	}
Set the menu group associated with a cascaded submenu. This allows a cascading menu item to
be grouped with a specific set of actions. The default group for a cascaded submenu is the
name of the submenu.

@param menuPath menu name path where the last element corresponds to the specified group
           name.
@param group group name
@see #setMenuGroup(String[], String, String)
Ghidra/Framework/Docking/src/main/java/docking/AbstractDockingTool.java