Iterator<Entry<K, V>> entryIterator) {
    return new UnmodifiableIterator<Entry<K, V>>() {
      @Override
      public boolean hasNext() {
        return entryIterator.hasNext();
      }

      @Override
      public Entry<K, V> next() {
        return unmodifiableEntry(entryIterator.next());
      }
    };
  }

          Iterator<Entry<K, V>> entryIterator) {
    return new UnmodifiableIterator<Entry<K, V>>() {
      @Override
      public boolean hasNext() {
        return entryIterator.hasNext();
      }

      @Override
      public Entry<K, V> next() {
        return unmodifiableEntry(entryIterator.next());
      }
    };
  }

      Random random = new Random();
      List<ReferenceEntry<Object, Object>> reads = new ArrayList<>();
      Iterator<ReferenceEntry<Object, Object>> i = readOrder.iterator();
      while (i.hasNext()) {
        ReferenceEntry<Object, Object> entry = i.next();
        if (random.nextBoolean()) {
          map.get(entry.getKey(), loader);
          reads.add(entry);
          i.remove();

      Random random = new Random();
      List<ReferenceEntry<Object, Object>> reads = new ArrayList<>();
      Iterator<ReferenceEntry<Object, Object>> i = readOrder.iterator();
      while (i.hasNext()) {
        ReferenceEntry<Object, Object> entry = i.next();
        if (random.nextBoolean()) {
          map.get(entry.getKey(), loader);
          reads.add(entry);
          i.remove();

                try (CloseableIterator<SmbResource> it =
                        SmbEnumerationUtil.doEnum(this, "*", ATTR_DIRECTORY | ATTR_HIDDEN | ATTR_SYSTEM, null, null)) {
                    while (it.hasNext()) {
                        try (SmbResource r = it.next()) {
                            try {
                                r.delete();
                            } catch (final CIFSException e) {

                throw new SmbException(url.toString(), last);
            }
            throw (SmbException) last;
        }

        final Iterator iter = map.keySet().iterator();
        while (iter.hasNext()) {
            e = (FileEntry) iter.next();
            final String name = e.getName();
            if (fnf != null && !fnf.accept(this, name)) {
                continue;
            }

            reportSetMap = new java.util.LinkedHashMap<String, ReportSet>();
            if (getReportSets() != null) {
                for (java.util.Iterator<ReportSet> i = getReportSets().iterator(); i.hasNext(); ) {
                    ReportSet reportSet = (ReportSet) i.next();
                    reportSetMap.put(reportSet.getId(), reportSet);
                }
            }
        }

          // Skip stale entry.
          return false;
        }
      } finally {
        currentSegment.postReadCleanup();
      }
    }

    @Override
    public boolean hasNext() {
      return nextExternal != null;
    }

    WriteThroughEntry nextEntry() {
      if (nextExternal == null) {
        throw new NoSuchElementException();
      }