getDoc(form).ifPresent(entity -> {
            form.doc = fessConfig.convertToEditableDoc(entity);
            form.id = (String) entity.remove(fessConfig.getIndexFieldId());
            form.seqNo = (Long) entity.remove(fessConfig.getIndexFieldSeqNo());
            form.primaryTerm = (Long) entity.remove(fessConfig.getIndexFieldPrimaryTerm());
        }).orElse(() -> {

    }
  }

  private static Set<Feature<?>> computeReserializedCollectionFeatures(Set<Feature<?>> features) {
    Set<Feature<?>> derivedFeatures = new HashSet<>(features);
    derivedFeatures.remove(SERIALIZABLE);
    derivedFeatures.remove(SERIALIZABLE_INCLUDING_VIEWS);
    return derivedFeatures;
  }

  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeySetRemovePropagatesToMultimap() {
    int key0Count = multimap().get(k0()).size();
    assertEquals(key0Count > 0, multimap().keySet().remove(k0()));
    assertEquals(getNumElements() - key0Count, multimap().size());
    assertGet(k0());
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)

            this.cache = new ArrayList<>(maxBuffers);
        }

        @Override
        public synchronized byte[] getBuffer() {
            if (!cache.isEmpty()) {
                return cache.remove(0);
            }
            return new byte[bufferSize];
        }

        @Override
        public synchronized void releaseBuffer(byte[] buf) {
            if (buf != null && cache.size() < maxBuffers) {

}

func errIsTierPermError(err error) bool {
	var tpErr tierPermErr
	return errors.As(err, &tpErr)
}

// remoteVersionID represents the version id of an object in the remote tier.
// Its usage is remote tier cloud implementation specific.
type remoteVersionID string

// newWarmBackend instantiates the tier type specific WarmBackend, runs
// checkWarmBackend on it.

@echo off

setlocal
%~d0
cd %~p0
call _project.bat

:: tilde to remove double quotation
set FIRST_ARG=%~1
if "%FIRST_ARG%"=="" set FIRST_ARG=""
set SECOND_ARG=%2
if "%SECOND_ARG%"=="" set SECOND_ARG=""

call %DBFLUTE_HOME%\etc\cmd\_df-manage.cmd %MY_PROPERTIES_PATH% "%FIRST_ARG%" %SECOND_ARG%

if "%pause_at_end%"=="y" (
  pause

# Install 7-Zip.
RUN (New-Object Net.WebClient).DownloadFile('https://www.7-zip.org/a/7z2201-x64.msi', '7z.msi'); \
    Start-Process msiexec.exe -ArgumentList \"/i 7z.msi /qn /norestart /log C:\\TEMP\\7z_install_log.txt\" -wait; \
    Remove-Item .\7z.msi;

# Download the Visual Studio 2022 Installer.
RUN (New-Object Net.WebClient).DownloadFile('https://aka.ms/vs/17/release/vs_community.exe', 'C:\TEMP\vs_community.exe');

        val result = nextUrl!!
        nextUrl = null
        canRemove = true
        return result
      }

      override fun remove() {
        check(canRemove) { "remove() before next()" }
        delegate.remove()
      }
    }
  }

  @Synchronized fun writeAbortCount(): Int = writeAbortCount

  @Synchronized fun writeSuccessCount(): Int = writeSuccessCount

    }

    @Test
    @DisplayName("remove() throws UnsupportedOperationException")
    void removeThrows() throws Exception {
        SmbFile parent = newParent();
        ShareEnumIterator it = new ShareEnumIterator(parent, Collections.<FileEntry> emptyList().iterator(), null);
        UnsupportedOperationException ex = assertThrows(UnsupportedOperationException.class, it::remove);
        assertEquals("remove", ex.getMessage());

    }

    @Override
    public Indexed<T> next() {
        return new Indexed<>(iterator.next(), index++);
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }