public static ArrayNode createEmptyArrayNode() {
        return new ArrayNode(mapper.getNodeFactory());
    }
@Test
    void testCreateEmptyArrayNode() {
        assertEquals("", JacksonUtils.createEmptyJsonNode().asText());
        assertEquals(0, JacksonUtils.createEmptyArrayNode().size());
        assertTrue(JacksonUtils.createEmptyArrayNode().isEmpty());
    }