/**
   * Returns an {@link ImmutableNetwork.Builder} with the properties of this {@link NetworkBuilder}.
   *
   * <p>The returned builder can be used for populating an {@link ImmutableNetwork}.
   *
   * @since 28.0
   */
  public <N1 extends N, E1 extends E> ImmutableNetwork.Builder<N1, E1> immutable() {
    NetworkBuilder<N1, E1> castBuilder = cast();
    return new ImmutableNetwork.Builder<>(castBuilder);
  }

  /**

            RemoteRepository.Builder builder =
                    new RemoteRepository.Builder(repo.getId(), getLayout(repo), repo.getUrl());
            builder.setSnapshotPolicy(toPolicy(repo.getSnapshots()));
            builder.setReleasePolicy(toPolicy(repo.getReleases()));
            builder.setAuthentication(toAuthentication(repo.getAuthentication()));
            builder.setProxy(toProxy(repo.getProxy()));

    /**
     * Parses the XML.
     *
     * @param builder
     *            {@link DocumentBuilder}; must not be {@literal null}.
     * @param is
     *            Input stream; must not be {@literal null}.
     * @return {@link Document}
     */
    public static Document parse(final DocumentBuilder builder, final InputStream is) {
        assertArgumentNotNull("builder", builder);
        assertArgumentNotNull("is", is);

    protected void addRangeC(RangeQueryBuilder builder, ConditionKey ck, Object value) {
        assertObjectNotNull("ck", ck);
        if (ck.equals(ConditionKey.CK_GREATER_THAN)) {
            builder.gt(value);
        } else if (ck.equals(ConditionKey.CK_GREATER_EQUAL)) {
            builder.gte(value);
        } else if (ck.equals(ConditionKey.CK_LESS_THAN)) {
            builder.lt(value);

    protected void addRangeC(RangeQueryBuilder builder, ConditionKey ck, Object value) {
        assertObjectNotNull("ck", ck);
        if (ck.equals(ConditionKey.CK_GREATER_THAN)) {
            builder.gt(value);
        } else if (ck.equals(ConditionKey.CK_GREATER_EQUAL)) {
            builder.gte(value);
        } else if (ck.equals(ConditionKey.CK_LESS_THAN)) {
            builder.lt(value);

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

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

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

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

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