protected void doFireNodeAdded(GTreeNode newNode) {
		assertSwing();
		GTree tree = getTree();
		if (tree != null) {
			tree.getModel().fireNodeAdded((GTreeNode) this, newNode);
			tree.refilterLater(newNode);
		}
	}
Returns true if the node is in the process of loading its children.  For nodes
that directly extend GTreeNode, this is always false.  See {@link GTreeSlowLoadingNode}
for information on nodes that can be in the progress of loading.
@param childList the list to test.
@return true if the node is in the progress of loading its children.
Ghidra/Framework/Docking/src/main/java/docking/widgets/tree/CoreGTreeNode.java