Map<String, Integer> original = new TreeMap<>();
    original.put("a", 1);
    original.put("b", 2);
    original.put("c", 3);
    HashMap<String, Integer> map = Maps.newHashMap(original);
    assertEquals(original, map);
  }

  public void testHashMapGeneralizesTypes() {
    Map<String, Integer> original = new TreeMap<>();
    original.put("a", 1);
    original.put("b", 2);
    original.put("c", 3);

    Map<String, Integer> original = new TreeMap<>();
    original.put("a", 1);
    original.put("b", 2);
    original.put("c", 3);
    HashMap<String, Integer> map = Maps.newHashMap(original);
    assertEquals(original, map);
  }

  public void testHashMapGeneralizesTypes() {
    Map<String, Integer> original = new TreeMap<>();
    original.put("a", 1);
    original.put("b", 2);
    original.put("c", 3);

    final CharMatcher original;

    Negated(CharMatcher original) {
      this.original = checkNotNull(original);
    }

    @Override
    public boolean matches(char c) {
      return !original.matches(c);
    }

    @Override
    public boolean matchesAllOf(CharSequence sequence) {
      return original.matchesNoneOf(sequence);
    }

    @Override

    final CharMatcher original;

    Negated(CharMatcher original) {
      this.original = checkNotNull(original);
    }

    @Override
    public boolean matches(char c) {
      return !original.matches(c);
    }

    @Override
    public boolean matchesAllOf(CharSequence sequence) {
      return original.matchesNoneOf(sequence);
    }

    @Override

                        "stat_prefix": "connect_originate",
                        "cluster": "connect_originate",
                        "tunneling_config": {
                          "hostname": "%DOWNSTREAM_LOCAL_ADDRESS%"
                        }
                      }
                    }
                  ]
                }
              ],
              "use_original_dst": false,

                        "stat_prefix": "connect_originate",
                        "cluster": "connect_originate",
                        "tunneling_config": {
                          "hostname": "%DOWNSTREAM_LOCAL_ADDRESS%"
                        }
                      }
                    }
                  ]
                }
              ],
              "use_original_dst": false,

                          {
                            "object_key": "envoy.filters.listener.original_dst.local_ip",
                            "format_string": {
                              "text_format_source": {
                                "inline_string": "%FILTER_STATE(envoy.filters.listener.original_dst.local_ip:PLAIN)%"
                              }
                            },

   * IllegalArgumentException} if passed a {@code fromKey} less than an earlier {@code fromKey}.
   * However, this method doesn't throw an exception in that situation, but instead keeps the
   * original {@code fromKey}. Similarly, this method keeps the original {@code toKey}, instead of
   * throwing an exception, if passed a {@code toKey} greater than an earlier {@code toKey}.
   */
  @Override

   * IllegalArgumentException} if passed a {@code fromKey} less than an earlier {@code fromKey}.
   * However, this method doesn't throw an exception in that situation, but instead keeps the
   * original {@code fromKey}. Similarly, this method keeps the original {@code toKey}, instead of
   * throwing an exception, if passed a {@code toKey} greater than an earlier {@code toKey}.
   */
  @Override

  public void testImmutableEnumSet_deserializationMakesDefensiveCopy() throws Exception {
    ImmutableSet<SomeEnum> original = Sets.immutableEnumSet(SomeEnum.A, SomeEnum.B);
    int handleOffset = 6;
    byte[] serializedForm = serializeWithBackReference(original, handleOffset);
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(serializedForm));