@Secured(resource = Commons.NACOS_CORE_CONTEXT_V2 + "/loader", action = ActionTypes.READ)
    @GetMapping("/current")
    public ResponseEntity<Map<String, Connection>> currentClients() {
        Map<String, Connection> stringConnectionMap = connectionManager.currentClients();
        return ResponseEntity.ok().body(stringConnectionMap);
    }
@Test
    void testCurrentClients() {
        Mockito.when(connectionManager.currentClients()).thenReturn(new HashMap<>());
        
        ResponseEntity<Map<String, Connection>> result = serverLoaderController.currentClients();
        assertEquals(0, result.getBody().size());
    }