@Override
  @CheckForNull
  public Entry<E> firstEntry() {
    return forwardMultiset().lastEntry();
  }

  @Override
  @CheckForNull
  public Entry<E> lastEntry() {
    return forwardMultiset().firstEntry();
  }

  abstract Iterator<Entry<E>> entryIterator();

  @Nullable private transient Set<Entry<E>> entrySet;

  @Override
  public Set<Entry<E>> entrySet() {
    Set<Entry<E>> result = entrySet;

    ImmutableSet<Entry<E>> es = entrySet;
    return (es == null) ? (entrySet = createEntrySet()) : es;
  }

  private ImmutableSet<Entry<E>> createEntrySet() {
    return isEmpty() ? ImmutableSet.<Entry<E>>of() : new EntrySet();
  }

  abstract Entry<E> getEntry(int index);

  @WeakOuter
  private final class EntrySet extends IndexedImmutableSet<Entry<E>> {
    @Override
    boolean isPartialView() {

        for (Map.Entry<String, S> entry : current.entrySet()) {
            if (!visitor.visitChange(changeFactory.added(entry.getKey(), propertyTitle, entry.getValue()))) {
                return false;
            }
        }
        return true;
    }

    private boolean compareTrivialEntries(ChangeVisitor visitor, Map.Entry<String, S> previousEntry, Map.Entry<String, S> currentEntry, String propertyTitle) {

        if (o instanceof Entry) {
          Entry<?, ?> entry = (Entry<?, ?>) o;
          return containsMapping(entry.getKey(), columnKey, entry.getValue());
        }
        return false;
      }

      @Override
      public boolean remove(@CheckForNull Object obj) {
        if (obj instanceof Entry) {
          Entry<?, ?> entry = (Entry<?, ?>) obj;

        assertEquals(expect, ParameterUtil.encrypt(value));

        value = "";
        expect = "";
        assertEquals(expect, ParameterUtil.encrypt(value));

        value = "\n";
        expect = "";
        assertEquals(expect, ParameterUtil.encrypt(value));

        value = "=";
        expect = "unknown.1=";
        assertEquals(expect, ParameterUtil.encrypt(value));

        value = "=1\n=";

		}
		byteorder.LePutUint64(block[:], counter)
	}
	blockCipher.Encrypt(r.key[:aes.BlockSize], block[:])
	inc()
	blockCipher.Encrypt(r.key[aes.BlockSize:], block[:])
	inc()
	r.mu.Unlock()

	n = len(b)
	for len(b) >= aes.BlockSize {
		blockCipher.Encrypt(b[:aes.BlockSize], block[:])
		inc()
		b = b[aes.BlockSize:]
	}
	if len(b) > 0 {
		blockCipher.Encrypt(block[:], block[:])
		copy(b, block[:])
	}
	return n, nil

  }

  @LazyInit @CheckForNull private transient Set<Entry<K, V>> entrySet;

  @Override
  public Set<Entry<K, V>> entrySet() {
    Set<Entry<K, V>> result = entrySet;
    return (result == null) ? entrySet = new EntrySet() : result;
  }

  class BiMapEntry extends ForwardingMapEntry<K, V> {
    private final Entry<K, V> delegate;

    BiMapEntry(Entry<K, V> delegate) {
      this.delegate = delegate;
    }

            } else {
                final String entryDN = fessConfig.getLdapAdminRoleSecurityPrincipal(role.getName());
                final BasicAttributes entry = new BasicAttributes();
                addRoleAttributes(entry, role);
                final Attribute oc = fessConfig.getLdapAdminRoleObjectClassAttribute();
                entry.put(oc);
                insert(entryDN, entry, adminEnv);
            }
        });

    @SuppressWarnings("unchecked") // Should get a CCE later if cast is wrong
    Entry<?, Object> entry = (Entry<?, Object>) map.entrySet().toArray(new Entry<?, ?>[0])[0];
    assertEquals(TypeToken.of(String.class), entry.getKey());
    assertEquals("test", entry.getValue());
    assertThrows(UnsupportedOperationException.class, () -> entry.setValue(1));
  }

  public void testPutAndGetInstance() {

    }
    Set<Entry<Number, String>> entries = unmod.entrySet();
    Entry<Number, String> entry = entries.iterator().next();
    try {
      entry.setValue("four");
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    @SuppressWarnings("unchecked")
    Entry<Integer, String> entry2 = (Entry<Integer, String>) entries.toArray()[0];