code: @SuppressWarnings("all")
      public static Single<List<String>> getRange(CacheConfigBean cacheConfigBean, String cacheKey, int startIndex, int endIndex) {
          return SingleRxXian.call(CacheService.CACHE_SERVICE, "cacheListRange", new JSONObject() {{
              put("cacheConfig", cacheConfigBean);
              put("key", cacheKey);
              put("startIndex", startIndex);
              put("endIndex", endIndex);
          }}).map(unitResponse -> {
              if (unitResponse.getData() != null)
                  return unitResponse.dataToTypedList(String.class);
              else
                  return null;
          });
      }
docs: 指定获取范围 (返回的类型是raw string，所以不推荐使用)