* @author Bob Lee ({@code com.google.common.collect.MapMaker})
 * @author Doug Lea ({@code ConcurrentHashMap})
 */
@SuppressWarnings({
  "GoodTime", // lots of violations (nanosecond math)
  "nullness", // too much trouble for the payoff
})
@GwtCompatible(emulated = true)
// TODO(cpovirk): Annotate for nullness.
class LocalCache<K, V> extends AbstractMap<K, V> implements ConcurrentMap<K, V> {

  /*

        return list( "*", ATTR_DIRECTORY | ATTR_HIDDEN | ATTR_SYSTEM, filter, null );
    }

/**
 * List the contents of this SMB resource as an array of
 * <code>SmbFile</code> objects. This method is much more efficient than
 * the regular <code>list</code> method when querying attributes of each
 * file in the result set.
 * <p>
 * The list of <code>SmbFile</code>s returned by this method will be;
 *
 * <ul>