void notifyListeners() {
		if (plugin.getCurrentProvider() != this) {
			return;
		}
		view = getView();
		plugin.firePluginEvent(
			new ViewChangedPluginEvent(plugin.getName(), treePanel.getTreeName(), view));
	}
Notify listeners that the view map has changed.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/TreeViewProvider.java