* {@linkplain Thread#getContextClassLoader() context class loader}. In simple environments, the
   * context class loader will find resources from the class path. In environments where different
   * threads can have different class loaders, for example app servers, the context class loader
   * will typically have been set to an appropriate loader for the current thread.
   *

            return new Object();
          }
        };
    LocalLoadingCache<Object, Object> cache = makeCache(createCacheBuilder(), loader);
    assertThat(cache.localCache.defaultLoader).isSameInstanceAs(loader);
  }

  // null parameters test

  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();

    WatchedCreatorLoader loader = new WatchedCreatorLoader();
    LoadingCache<String, Integer> cache =
        CacheBuilder.newBuilder()
            .expireAfterWrite(EXPIRING_TIME, MILLISECONDS)
            .removalListener(removalListener)
            .ticker(ticker)
            .build(loader);
    checkExpiration(cache, loader, ticker, removalListener);
  }

   *
   * @param loader the cache loader used to obtain new values
   * @return a cache having the requested features
   */
  public <K1 extends K, V1 extends V> LoadingCache<K1, V1> build(
      CacheLoader<? super K1, V1> loader) {
    checkWeightWithWeigher();
    return new LocalCache.LocalLoadingCache<>(this, loader);
  }

  /**

   *       CacheLoader#loadAll bulk loading implementations}
   * </ul>
   *
   * <p><b>Warning:</b> For any given key, every {@code loader} used with it should compute the same
   * value. Otherwise, a call that passes one {@code loader} may return the result of another call
   * with a differently behaving {@code loader}. For example, a call that requests a short timeout
   * for an RPC may wait for a similar call that requests a long timeout, or a call by an

            public <T> T process(T object) {
                return object;
            }
        }

        ServiceLoader<ModelObjectProcessor> loader = ServiceLoader.load(ModelObjectProcessor.class);
        for (ModelObjectProcessor processor : loader) {
            return processor;
        }
        return new NoOpProcessor();
    }

  private final CacheLoader<? super K, V> loader;
  private final RemovalListener<? super K, ? super V> removalListener;
  private final StatsCounter statsCounter;
  private final Ticker ticker;
  private final long expireAfterWrite;
  private final long expireAfterAccess;

  LocalCache(CacheBuilder<? super K, ? super V> builder, CacheLoader<? super K, V> loader) {
    this.loader = loader;
    this.removalListener = builder.removalListener;

    public ListenableFuture<V> loadFuture(K key, CacheLoader<? super K, V> loader) {
      try {
        stopwatch.start();
        V previousValue = oldValue.get();
        if (previousValue == null) {
          V newValue = loader.load(key);
          return set(newValue) ? futureValue : immediateFuture(newValue);
        }
        ListenableFuture<V> newValue = loader.reload(key, previousValue);
        if (newValue == null) {

		}

		httpStats := globalBucketHTTPStats.load(bucket)
		for k, v := range httpStats.currentS3Requests.Load(false) {
			m.Set(apiRequestsInFlightTotal, float64(v), "bucket", bucket, "name", k, "type", "s3")
		}

		for k, v := range httpStats.totalS3Requests.Load(false) {
			m.Set(apiRequestsTotal, float64(v), "bucket", bucket, "name", k, "type", "s3")
		}

}

// NewConfigSys - creates new config system object.
func NewConfigSys() *ConfigSys {
	return &ConfigSys{}
}

// Initialize and load config from remote etcd or local config directory
func initConfig(objAPI ObjectLayer) (err error) {
	bootstrapTraceMsg("load the configuration")
	defer func() {
		if err != nil {
			bootstrapTraceMsg(fmt.Sprintf("loading configuration failed: %v", err))
		}
	}()