static void addNode(GTreeNode parentNode, GTreeNode newNode) {
		List<GTreeNode> allChildren = parentNode.getChildren();
		int index = Collections.binarySearch(allChildren, newNode);
		if (index < 0) {
			index = -index - 1;
		}
		parentNode.addNode(index, newNode);
	}
Class to handle changes when a domain folder changes; updates the
tree model to reflect added/removed/renamed nodes.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ChangeManager.java