@Override
    public CompletableFuture<GroupList> queryTopicConsumeByWho(String address,
        QueryTopicConsumeByWhoRequestHeader requestHeader, long timeoutMillis) {
        CompletableFuture<GroupList> future = new CompletableFuture<>();
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_TOPIC_CONSUME_BY_WHO, requestHeader);
        remotingClient.invoke(address, request, timeoutMillis).thenAccept(response -> {
            if (response.getCode() == ResponseCode.SUCCESS) {
                GroupList groupList = GroupList.decode(response.getBody(), GroupList.class);
                future.complete(groupList);
            } else {
                log.warn("queryTopicConsumeByWho getResponseCommand failed, {} {}", response.getCode(), response.getRemark());
                future.completeExceptionally(new MQClientException(response.getCode(), response.getRemark()));
            }
        });
        return future;
    }
@Test
    public void assertQueryTopicConsumeByWhoWithSuccess() throws Exception {
        GroupList responseBody = new GroupList();
        setResponseSuccess(RemotingSerializable.encode(responseBody));
        QueryTopicConsumeByWhoRequestHeader requestHeader = mock(QueryTopicConsumeByWhoRequestHeader.class);
        CompletableFuture<GroupList> actual = mqClientAdminImpl.queryTopicConsumeByWho(defaultBrokerAddr, requestHeader, defaultTimeout);
        GroupList result = actual.get();
        assertNotNull(result);
        assertEquals(0, result.getGroupList().size());
    }