docs: public void setKey(String key, String value, int timeToLive) throws Exception {
          try {
              Future<Boolean>[] _future = evCache.set(key, value, timeToLive);
  
              // Wait for all the Futures to complete.
              // In "verbose" mode, show the status for each.
              for (Future<Boolean> f : _future) {
              	boolean didSucceed = f.get();
              	if (verboseMode) {
                      System.out.println("per-shard set success code for key " + key + " is " + didSucceed);
                  }
              }
              if (!verboseMode) {
                  // Not verbose. Just give one line of output per "set," without a success code
                  System.out.println("finished setting key " + key);
              }
          } catch (EVCacheException e) {
              e.printStackTrace();
          }
      }