@Override
	public boolean acceptsNode(GTreeNode node) {
		if (ignoredNodes.contains(node)) {
			return true;
		}
		return filter.acceptsNode(node);
	}
GTreeFilter that allows for some nodes that are never filtered out.
Ghidra/Framework/Docking/src/main/java/docking/widgets/tree/support/IgnoredNodesGtreeFilter.java