object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          check(!closed)
          return data.read(sink, byteCount)
        }

        override fun timeout(): Timeout {
          return Timeout.NONE
        }
      }

  override fun getCipherSuite(): String {
    throw UnsupportedOperationException()
  }

  override fun getCreationTime(): Long {
    throw UnsupportedOperationException()
  }

  override fun getId(): ByteArray {
    throw UnsupportedOperationException()
  }

  override fun getLastAccessedTime(): Long {
    throw UnsupportedOperationException()
  }

  override fun getLocalCertificates(): Array<Certificate> {

  }

  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    throwIf(closed);
    throwIf(READ_THROWS);
    return in.read(b, off, len);
  }

  @Override
  public long skip(long n) throws IOException {
    throwIf(closed);
    throwIf(SKIP_THROWS);
    return in.skip(n);
  }

  @Override
  public int available() throws IOException {
    throwIf(closed);

    private static final Logger log = LoggerFactory.getLogger(SmbComClose.class);

    private int fid;
    private long lastWriteTime;


    /**
     * 
     * @param config
     * @param fid
     * @param lastWriteTime
     */
    public SmbComClose ( Configuration config, int fid, long lastWriteTime ) {
        super(config, SMB_COM_CLOSE);
        this.fid = fid;
        this.lastWriteTime = lastWriteTime;

import jcifs.smb1.Config;
import jcifs.smb1.UniAddress;
import jcifs.smb1.util.*;

import java.io.*;

public class Dfs {

    static class CacheEntry {
        long expiration;
        HashMap map;

        CacheEntry(long ttl) {
            if (ttl == 0)
                ttl = Dfs.TTL;
            expiration = System.currentTimeMillis() + ttl * 1000L;
            map = new HashMap();
        }
    }

  }

  fun assertPing(payload: ByteString) {
    assertThat(nextEvent()).isEqualTo(Ping(payload))
  }

  fun assertPong(payload: ByteString) {
    assertThat(nextEvent()).isEqualTo(Pong(payload))
  }

  fun assertClosing(
    code: Int,
    reason: String,
  ) {
    assertThat(nextEvent()).isEqualTo(Closing(code, reason))
  }

  fun assertClosed(
    code: Int,

     */
    @Override
    public Configuration getConfig () {
        return this.treeConnection.getConfig();
    }


    /**
     * @return the currently connected tree id
     */
    public long getTreeId () {
        return this.treeConnection.getTreeId();
    }


    /**
     * 
     * @param req
     * @param params
     * @return response
     * @throws CIFSException
     */

    }

    public void test_sizeOf() throws Exception {
        // System.out.println("size: " + getObjectSize(""));
        assertEquals(24L, MemoryUtil.sizeOf(Integer.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Long.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Short.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Float.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Double.MAX_VALUE));

  }

  public void testFlatMapToLong_nullStream() {
    SpliteratorTester.ofLong(
            () ->
                CollectSpliterators.flatMapToLong(
                    Arrays.spliterator(new Long[] {1L, 0L, 1L, 2L, 3L}),
                    (Long i) -> i == 0L ? null : LongStream.of(i).spliterator(),
                    Spliterator.SIZED | Spliterator.DISTINCT | Spliterator.NONNULL,
                    4))
        .expect(1L, 1L, 2L, 3L);
  }

        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    @Override
    public String toString() {