if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        this.contextHandle = contextHandle != null ? contextHandle.clone() : new byte[20];
    }

    /**
     * Sets the context handle for unregistration.
     *
     * @param contextHandle the context handle from registration
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Gets the context handle.

     *
     * @param groupId the group identifier, or {@code null} is unspecified
     * @param artifactId the artifact identifier, or {@code null} is unspecified
     * @param version the artifact version, or {@code null} is unspecified
     * @param classifier the artifact classifier, or {@code null} is unspecified
     * @param extension the artifact extension, or {@code null} is unspecified

        return new CopyOptions().exclude(propertyNames);
    }

    /**
     * Returns a {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     *
     * @return A {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     * @see CopyOptions#excludeNull()
     */
    public static CopyOptions excludeNull() {
        return new CopyOptions().excludeNull();

    }

    @AfterEach
    public void tearDown() throws IOException {
        if (manager != null) {
            manager.shutdown();
        }

        // Clean up system property
        System.clearProperty("jcifs.smb.client.handleStateDirectory");

        // Clean up temp directory
        if (tempDir != null && Files.exists(tempDir)) {
            Files.walk(tempDir)

     */
    protected int executeCommand(final String thumbnailId, final List<String> cmdList) {
        ProcessDestroyer task = null;
        Process p = null;
        InputStreamThread ist = null;
        try {
            final ProcessBuilder pb = new ProcessBuilder(cmdList);
            pb.directory(baseDir);
            pb.redirectErrorStream(true);

        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        NetworkInterfaceInfo that = (NetworkInterfaceInfo) obj;
        return interfaceIndex == that.interfaceIndex && address != null ? address.equals(that.address) : that.address == null;
    }

    @Override
    public int hashCode() {
        int result = interfaceIndex;

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        if (upperBound != null) {
          map = map.headMap(upperBound);
        }
        return map;
      }
      return null;
    }

    @Override
    void maintainEmptyInvariant() {
      updateWholeRowField();
      if (wholeRow != null && wholeRow.isEmpty()) {
        backingMap.remove(rowKey);
        wholeRow = null;
        backingRowMap = null;
      }
    }

    @Override

        if (kid == null) {
            return;
        }

        if (children == null) {
            children = new MetadataTreeNode[nChildren];
        }

        children[index % nChildren] = kid;
    }

    // ------------------------------------------------------------------
    @Override
    public String toString() {
        return md == null ? "no metadata" : md.toString();
    }