docs: protected static <BEAN, KEYTYPE> BEAN rsyncToCache(IGet<BEAN, KEYTYPE> cacheImpl, IGet<BEAN, KEYTYPE> sourceImpl, KEYTYPE key) {
  		BEAN bean = sourceImpl.get(key);
  		if (bean != null) {
  			try {
  				cacheImpl.add(bean);
  			}
  			catch (RuntimeException e) {
  				logger.error(e.getMessage(), e);
  			}
  		}
  		return bean;
  	}