return;
        }

        try {
            final Map<String, PDComplexFileSpecification> embeddedFileNames = efTree.getNames();
            if (embeddedFileNames != null) {
                processEmbeddedDocNames(embeddedFileNames, writer);
            } else {
                final List<PDNameTreeNode<PDComplexFileSpecification>> kids = efTree.getKids();
                if (kids == null) {
                    return;