return;
    }

    map.put(null, unmappedValue);
    assertEquals(unmappedValue, map.get(null));
    assertTrue(map.containsKey(null));
    Entry<@Nullable K, V> entry = mapEntry(null, unmappedValue);
    assertTrue(entrySet.remove(entry));
    assertNull(map.get(null));
    assertFalse(map.containsKey(null));
  }

  public void testEntrySetRemoveNullKeyMissing() {

     */
    private Map<String, List<String>> headers;

    /**
     * Closes the content cache if it is not null.
     *
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public void close() throws IOException {
        if (contentCache != null) {
            contentCache.close();
        }
    }

    /**

    @Override
    public Date getBuildStartTime() {
        return buildStartTime != null ? new Date(buildStartTime.toEpochMilli()) : null;
    }

    @Deprecated
    @Override
    public void setBuildStartTime(Date buildStartTime) {
        setBuildStartInstant(buildStartTime != null ? Instant.ofEpochMilli(buildStartTime.getTime()) : null);
    }

    @Override
    public Instant getBuildStartInstant() {

    @JvmField var associatedStreamId = 0

    @JvmField var errorCode: ErrorCode? = null

    @JvmField var windowSizeIncrement: Long = 0

    @JvmField var headerBlock: List<Header>? = null

    @JvmField var data: ByteArray? = null

    @JvmField var settings: Settings? = null

    @JvmField var ack = false

    @JvmField var payload1 = 0

    @JvmField var payload2 = 0

        CloseableUtil.closeQuietly(in);

        final String content = extractData.getContent();

        // Verify array element extraction
        assertTrue(content.contains("tags[0]"));
        assertTrue(content.contains("crawler"));
    }

    public void test_getText_null() {
        try {
            jsonExtractor.getText(null, null);
            fail();

            if (existingCall != null) enqueuedCall.reuseCallsPerHostFrom(existingCall)
          }
        }

        val becameIdle =
          (finishedCall != null || finishedAsyncCall != null) &&
            (executorIsShutdown || runningAsyncCalls.isEmpty()) &&
            runningSyncCalls.isEmpty()
        val idleCallbackToRun = if (becameIdle) idleCallback else null

        if (executorIsShutdown) {

    assertThrows(NullPointerException.class, () -> Optional.of(null));
  }

  public void testFromNullable() {
    Optional<String> optionalName = Optional.fromNullable("bob");
    assertEquals("bob", optionalName.get());
  }

  public void testFromNullable_null() {
    // not promised by spec, but easier to test
    assertSame(Optional.absent(), Optional.fromNullable(null));
  }

  public void testIsPresent_no() {

   * | `http://square`               | null                 |
   * | `http://co.uk`                | null                 |
   * | `http://localhost`            | null                 |
   * | `http://127.0.0.1`            | null                 |
   */
  fun topPrivateDomain(): String? =
    if (host.canParseAsIpAddress()) {
      null
    } else {

        return new CopyOptions().exclude(propertyNames);
    }

    /**
     * Returns a {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     *
     * @return A {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     * @see CopyOptions#excludeNull()
     */
    public static CopyOptions excludeNull() {
        return new CopyOptions().excludeNull();

                setField(resp, Trans2FindFirst2Response.class, "lastName", null);
            }
            resp.received();
            return resp;
        });

        DirFileEntryEnumIterator1 it = new DirFileEntryEnumIterator1(tree, parent, "*", null, 0);

        // Act & Assert: entries a, b, c (dot entries filtered) then end
        assertTrue(it.hasNext());