public static String prettyJSON(String json) {
        return prettyJSON(json, TAB_SEPARATOR);
    }
@Test
    public void testRenderResultComplexArray() throws Exception {
        assertEquals("[\n" + TAB + "1,\n" + TAB + "{\n" + TAB + TAB + "\"A\": \"B\"\n" + TAB + "}\n]", prettyJSON("[1,{\"A\":\"B\"}]"));
    }