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() {

        helper
            .add(SHORT_NAME, "x")
            .add(LONG_NAME, "y")
            .add(SHORT_NAME, null)
            .add(LONG_NAME, null)
            .addValue("z")
            .addValue("")
            .addValue(null)
            .add(SHORT_NAME, Arrays.asList("A"))
            .add(LONG_NAME, Arrays.asList("B"))
            .add(SHORT_NAME, Arrays.asList())

    assertFalse(table.contains("foo", 2));
    assertFalse(table.contains("bar", 3));
    assertFalse(table.contains("cat", 1));
    assertFalse(table.contains("foo", null));
    assertFalse(table.contains(null, 1));
    assertFalse(table.contains(null, null));
  }

  public void testContainsRow() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertTrue(table.containsRow("foo"));

        }

        @Test
        @DisplayName("Handles null destination without throwing and returns 0")
        void allowsNullBuffer() {
            // Arrange
            Smb2LogoffResponse resp = newResponse();

            // Act & Assert
            assertEquals(0, resp.writeBytesWireFormat(null, 0), "Should return 0 even with null buffer");
        }
    }

    @Nested

      @JvmStatic
      fun create(body: RequestBody): Part = create(null, body)

      @JvmStatic
      fun create(
        headers: Headers?,
        body: RequestBody,
      ): Part {
        require(headers?.get("Content-Type") == null) { "Unexpected header: Content-Type" }
        require(headers?.get("Content-Length") == null) { "Unexpected header: Content-Length" }
        return Part(headers, body)
      }

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

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  // I guess it's technically a bug that ThrowIfUncheckedKnownUnchecked fires here.
  @SuppressWarnings("ThrowIfUncheckedKnownUnchecked")
  public void testPropageIfPossible_null() {
    propagateIfPossible(null);
  }

  @J2ktIncompatible

    }

    public void myspecifyPropertyCancel(String propertyName) {
        if (__specifiedProperties != null) {
            __specifiedProperties.remove(propertyName);
        }
    }

    public void clearSpecifiedInfo() {
        if (__specifiedProperties != null) {
            __specifiedProperties.clear();
        }
    }

    protected void checkSpecifiedProperty(String propertyName) {

    }

    public void myspecifyPropertyCancel(String propertyName) {
        if (__specifiedProperties != null) {
            __specifiedProperties.remove(propertyName);
        }
    }

    public void clearSpecifiedInfo() {
        if (__specifiedProperties != null) {
            __specifiedProperties.clear();
        }
    }

    protected void checkSpecifiedProperty(String propertyName) {

    uriPort: Int = this.uriPort,
    proxy: Proxy? = null,
    proxySelector: ProxySelector = this.proxySelector,
  ): Address =
    Address(
      uriHost = uriHost,
      uriPort = uriPort,
      dns = dns,
      socketFactory = SocketFactory.getDefault(),
      sslSocketFactory = null,
      hostnameVerifier = null,
      certificatePinner = null,
      proxyAuthenticator = proxyAuthenticator,

            checkStatus();
            this.ridx = 0;
            return advance();
        }
        return null;
    }

    private final boolean filter(final FileEntry fe) {
        final String name = fe.getName();
        if (this.nameFilter == null) {
            return true;
        }
        try {
            if (!this.nameFilter.accept(this.parent, name)) {