assertArgumentNotNull("children", children);
        assertArgumentNotNull("buf", buf);

        final int length = children.getLength();
        for (int i = 0; i < length; ++i) {
            appendNode(children.item(i), buf);
        }
    }

    /**
     * Appends the string representation of a {@link NamedNodeMap}.
     *

    AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);
  }

  protected abstract Set<AnEnum> create(AnEnum[] elements);

  @Override
  public AnEnum[] createArray(int length) {
    return new AnEnum[length];
  }

  /** Sorts the enums according to their natural ordering. */
  /*

        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

        String directoryPath = "/test/integration";

        // Setup mock files
        when(mockFile1.getName()).thenReturn("document.txt");
        when(mockFile1.length()).thenReturn(2048L);
        when(mockFile1.lastModified()).thenReturn(System.currentTimeMillis() - 3600000);
        when(mockFile1.isDirectory()).thenReturn(false);

                if (entries.hasNext()) {
                    buffer.append(" | ");
                }
            }
        }

        int pad = lastLength - buffer.length();
        lastLength = buffer.length();
        pad(buffer, pad);
        buffer.append('\r');
        out.print(buffer);
        out.flush();
    }

    private String getStatus(String resourceName, long complete, long total) {

    }

    void set(final byte[] b) {
        this.b = b == null ? new byte[0] : b;
    }

    byte[] get() {
        return this.b;
    }

    int length() {
        if (this.b == null) {
            return 0;
        }
        return this.b.length;
    }

    /*
     * (non-Javadoc)
     *
     * @see java.lang.Object#clone()
     */
    @Override

        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
     *