public static Object[] getMethodArguments(SofaRequest request) {
        return request.getMethodArgs();
    }
@Test
    public void testGetMethodArguments() {
        SofaRequest request = new SofaRequest();
        request.setMethodArgs(new Object[]{"Sentinel", 2020});
        Object[] arguments = SofaRpcUtils.getMethodArguments(request);
        assertEquals(arguments.length, 2);
        assertEquals("Sentinel", arguments[0]);
        assertEquals(2020, arguments[1]);
    }