CompletableFuture<QueryInstancesResponse> queryInstances() {
        return webClient.prepare()
                        .get(pathForQuery)
                        .asJson(QueryInstancesResponse.class)
                        .as(HttpEntity::content)
                        .execute();
    }
A Nacos client that is responsible for
<a href="https://nacos.io/en-us/docs/v2/guide/user/open-api.html">Nacos Open-Api - Query instances</a>.
nacos/src/main/java/com/linecorp/armeria/internal/nacos/QueryInstancesClient.java