private void createParents(@Nonnull WorkspaceTreeNode node, @Nonnull InheritanceVertex vertex) {
		node.setExpanded(true);
		for (InheritanceVertex parentVertex : vertex.getParents()) {
			if (parentVertex.isJavaLangObject())
				continue;
			ClassPathNode parentPath = workspace.findClass(parentVertex.getName());
			if (parentPath != null) {
				WorkspaceTreeNode subItem = new WorkspaceTreeNode(parentPath);
				if (noLoops(node, subItem)) {
					node.addAndSortChild(subItem);
					createParents(subItem, parentVertex);
				}
			}
		}
	}
Adds child tree nodes representing the class's parent types.

@param node
		Node to add children to.
@param vertex
		Vertex to operate off of.
recaf-ui/src/main/java/software/coley/recaf/ui/pane/editing/tabs/InheritancePane.java