@Override
   public <K, V> RemoteCache<K, V> getCache(String cacheName) {
      return getCache(cacheName, configuration.forceReturnValues(), null, null);
   }
@ Override public < K , V > RemoteCache < K , V > getCache ( String cacheName ) { return getCache ( cacheName , configuration . forceReturnValues ( ) , null , null ) ; }
Retrieves a named cache from the remote server if the cache has been
defined, otherwise if the cache name is undefined, it will return null.

@param cacheName name of cache to retrieve
@return a cache instance identified by cacheName or null if the cache
name has not been defined