code: public LocalCachedMapOptions<K, V> maxIdle(long maxIdle, TimeUnit timeUnit) {
          return maxIdle(timeUnit.toMillis(maxIdle));
      }
docs: Sets max idle time for each map entry in local cache.
  If value equals to <code>0</code> then timeout is not applied
  
  @param maxIdle - max idle time
  @param timeUnit - time unit
  @return LocalCachedMapOptions instance