class InsJiraRenderer implements NodeRenderer {
    public InsJiraRenderer(DataHolder options) {

    }

    @Override
    public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {<FILL_FUNCTION_BODY>}

    private void render(Ins node, NodeRendererContext context, HtmlWriter html) {
        html.raw("+");
        context.renderChildren(node);
        html.raw("+");
    }

    public static class Factory implements NodeRendererFactory {
        @NotNull
        @Override
        public NodeRenderer apply(@NotNull DataHolder options) {
            return new InsJiraRenderer(options);
        }
    }
}

        HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
        set.add(new NodeRenderingHandler<>(Ins.class, this::render));
        return set;
    
<no_super_class>