docs: public void clearCache(CacheInvocationContext<CacheRemove> context) {
          HystrixCacheKeyGenerator defaultCacheKeyGenerator = HystrixCacheKeyGenerator.getInstance();
          String cacheName = context.getCacheAnnotation().commandKey();
          HystrixGeneratedCacheKey hystrixGeneratedCacheKey =
                  defaultCacheKeyGenerator.generateCacheKey(context);
          String key = hystrixGeneratedCacheKey.getCacheKey();
          HystrixRequestCache.getInstance(HystrixCommandKey.Factory.asKey(cacheName),
                  HystrixConcurrencyStrategyDefault.getInstance()).clear(key);
      }