private MenuManager getMenuManager(String menuName) {

		char mk = MenuManager.getMnemonicKey(menuName);
		menuName = MenuManager.stripMnemonicAmp(menuName);

		MenuManager mgr = menuManagers.get(menuName);
		if (mgr == null) {
			mgr = new MenuManager(menuName, new String[] { menuName }, mk, 1, null, false,
				menuHandler, menuGroupMap);
			menuManagers.put(menuName, mgr);
		}
		return mgr;
	}
Returns the menu manager for the given menu name.
@param menuName the name of the menu the be retrieved.
@return the MenuManager for the named menu.
Ghidra/Framework/Docking/src/main/java/docking/menu/MenuBarManager.java