private List<Path> findChildStreamFileList(final Path parent) {
        final List<Path> kids = new ArrayList<>();
        for (final String type : CHILD_STREAM_TYPES) {
            final Path child = getChildPath(parent, type);
            if (Files.isRegularFile(child)) {
                kids.add(child);
            }
        }
        return kids;
    }
<p>
Find all existing child files of this parent.
</p>
stroom-data/stroom-data-store-impl-fs/src/main/java/stroom/data/store/impl/fs/FsPathHelper.java