code: @Override
  	public Promise get(String key) {
  		try {
  			byte[] bytes = cache.get(keyToBytes(key));
  			if (bytes != null) {
  				return Promise.resolve(bytesToValue(bytes));
  			}
  		} catch (Throwable cause) {
  			logger.warn("Unable to read data from off-heap cache!", cause);
  		}
  		return Promise.resolve((Object) null);
  	}
docs: --- IMPLEMENTED CACHE METHODS ---