var entry = hpackReader!!.dynamicTable[readerHeaderTableLength() - 3]!!
    checkEntry(entry, "custom-key", "custom-value", 54)

    // [  2] (s =  53) cache-control: no-cache
    entry = hpackReader!!.dynamicTable[readerHeaderTableLength() - 2]!!
    checkEntry(entry, "cache-control", "no-cache", 53)

    // [  3] (s =  57) :authority: www.example.com

    }
    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];

    }
    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];

  private Maps() {}

  private enum EntryFunction implements Function<Entry<?, ?>, @Nullable Object> {
    KEY {
      @Override
      @CheckForNull
      public Object apply(Entry<?, ?> entry) {
        return entry.getKey();
      }
    },
    VALUE {
      @Override
      @CheckForNull
      public Object apply(Entry<?, ?> entry) {
        return entry.getValue();
      }
    };
  }

                </mxCell>
                <mxCell id="82" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;startArrow=none;startFill=0;endArrow=classic;endFill=1;strokeWidth=3;entryX=0.073;entryY=0.01;entryDx=0;entryDy=0;entryPerimeter=0;exitX=0.075;exitY=0.998;exitDx=0;exitDy=0;exitPerimeter=0;" parent="1" source="62" target="78" edge="1">
                    <mxGeometry relative="1" as="geometry">

  }

  @Override
  protected void expectMissing(Entry<K, V>... entries) {
    for (Entry<K, V> entry : entries) {
      assertFalse("Should not contain entry " + entry, actualContents().contains(entry));
      assertFalse(
          "Should not contain key " + entry.getKey() + " mapped to value " + entry.getValue(),
          equal(getMap().get(entry.getKey()), entry.getValue()));
    }
  }

  }

  public void testToStringNull() {
    assertEquals("null", entry(NE, 1).toString());
    assertEquals("null x 2", entry(NE, 2).toString());
  }

  public void testEquals() {
    assertEquals(control("foo", 1), entry("foo", 1));
    assertEquals(control("bar", 2), entry("bar", 2));
    assertFalse(control("foo", 1).equals(entry("foo", 2)));
    assertFalse(entry("foo", 1).equals(control("bar", 1)));

      Collection<Entry<K, V>> originalEntries = mapGenerator.getSampleElements(elements.length);

      // Create a copy of that, with the desired value for each key
      Collection<Entry<K, V>> entries = new ArrayList<>(elements.length);
      int i = 0;
      for (Entry<K, V> entry : originalEntries) {
        entries.add(Helpers.mapEntry(keysArray[i++], entry.getValue()));
      }

  enum ConstructionPathway {
    COPY_OF_MAP {
      @Override
      public ImmutableBiMap<Object, Object> create(List<Entry<?, ?>> entries) {
        Map<Object, Object> sourceMap = new LinkedHashMap<>();
        for (Entry<?, ?> entry : entries) {
          if (sourceMap.put(entry.getKey(), entry.getValue()) != null) {
            throw new UnsupportedOperationException("duplicate key");
          }
        }

   */
  @CheckForNull
  protected Entry<E> standardPollFirstEntry() {
    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    entry = Multisets.immutableEntry(entry.getElement(), entry.getCount());
    entryIterator.remove();
    return entry;
  }

  @Override
  @CheckForNull