private void getComponents(Node node, Set<ComponentNode> results) {

		List<Node> children = node.getChildren();
		for (Node child : children) {
			if (child instanceof ComponentNode) {
				results.add((ComponentNode) child);
			}
			else {
				getComponents(child, results);
			}
		}
	}
Signals to use the GUI to make this header (and its provider) stand out from the rest.
Ghidra/Framework/Docking/src/main/java/docking/DockableHeader.java