go func() {
		defer bw.canClose.Done()

		totalFileSize := int64(-1) // For compressed objects length will be unknown (represented by length=-1)
		if length != -1 {
			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.
			totalFileSize = bitrotSumsTotalSize + length
		}
		rb.CloseWithError(disk.CreateFile(context.TODO(), origvolume, volume, filePath, totalFileSize, rb))
	}()

                }
                throw new CIFSException("token is null but len > 0");
            }
            if (off < 0 || len < 0 || off > token.length || off + len > token.length) {
                throw new CIFSException("invalid offset/length");
            }
            return Arrays.copyOfRange(token, off, off + len);
        }

        @Override
        public String getNetbiosName() {

  }

  public void testLength() throws IOException {
    assertEquals(expected.length(), source.length());
  }

  public void testLengthIfKnown() throws IOException {
    Optional<Long> lengthIfKnown = source.lengthIfKnown();
    if (lengthIfKnown.isPresent()) {
      assertEquals(expected.length(), (long) lengthIfKnown.get());
    }
  }

        StackTraceElement[] causeStackTrace = cause.getStackTrace();

        assertNotNull(mainStackTrace);
        assertNotNull(causeStackTrace);
        assertTrue(mainStackTrace.length > 0);
        assertTrue(causeStackTrace.length > 0);

        // Stack traces should be different
        assertNotSame(mainStackTrace, causeStackTrace);
    }

    /**
     * Test printStackTrace functionality
     */

        this.messageLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.data = new byte[len - 16];
        if (this.data.length > 0) {
            System.arraycopy(buffer, bufferIndex, this.data, 0, this.data.length);
        }
        return bufferIndex - start;
    }

    public Smb2LeaseKey(byte[] key) {
        if (key == null) {
            throw new IllegalArgumentException("Lease key cannot be null");
        }
        if (key.length != LEASE_KEY_SIZE) {
            throw new IllegalArgumentException("Lease key must be 16 bytes, got " + key.length);
        }
        this.key = Arrays.copyOf(key, LEASE_KEY_SIZE);
    }

    /**
     * Get the lease key bytes
     *

        assertArgumentNotNull("iterables", iterables);

        @SuppressWarnings("unchecked")
        final Iterator<E>[] iterators = new Iterator[iterables.length];
        for (int i = 0; i < iterables.length; ++i) {
            iterators[i] = iterables[i].iterator();
        }
        return iterable(iterators);
    }

    /**

        sb.append(dm).append(generator);
        sb.append(dm).append(path);
        sb.append(dm).append(target);
        sb.append(dm).append(thumbnailId);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");
        return sb.toString();
    }

    // ===================================================================================

  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {
    return putBytes(bytes, 0, bytes.length);
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes, int off, int len) {
    Preconditions.checkPositionIndexes(off, off + len, bytes.length);
    for (int i = 0; i < len; i++) {
      putByte(bytes[off + i]);
    }
    return this;
  }

  @Override

  public String escape(String string) {
    checkNotNull(string); // GWT specific check (do not optimize)
    // Inlineable fast-path loop which hands off to escapeSlow() only if needed
    int length = string.length();
    for (int index = 0; index < length; index++) {
      if (escape(string.charAt(index)) != null) {
        return escapeSlow(string, index);
      }
    }
    return string;
  }

  /**