docs: public static void main(String[] args) {
          // set verboseMode based on the environment variable
          verboseMode = ("true".equals(System.getenv("EVCACHE_SAMPLE_VERBOSE")));
  
          if (verboseMode) {
              System.out.println("To run this sample app without using Gradle:");
              System.out.println("java -cp " + System.getProperty("java.class.path") + " com.netflix.evcache.sample.EVCacheClientSample");
          }
  
          try {
              EVCacheClientSample evCacheClientSample = new EVCacheClientSample();
  
              // Set ten keys to different values
              for (int i = 0; i < 10; i++) {
                  String key = "key_" + i;
                  String value = "data_" + i;
                  // Set the TTL to 24 hours
                  int ttl = 86400;
                  evCacheClientSample.setKey(key, value, ttl);
              }
  
              // Do a "get" for each of those same keys
              for (int i = 0; i < 10; i++) {
                  String key = "key_" + i;
                  String value = evCacheClientSample.getKey(key);
                  System.out.println("Get of " + key + " returned " + value);
              }
          } catch (Exception e) {
              e.printStackTrace();
          }
  
          // We have to call System.exit() now, because some background
          // threads were started without the "daemon" flag. This is
          // probably a mistake somewhere, but hey, this is only a sample app.
  	System.exit(0);
      }