@Override
    public void includeAll() {
        check(0);
        includeAll = true;
        included = null;
        excluded = null;
    }
Includes all segments when reading from this input stream. This is the
default behaviour if no segments are specifically included or excluded.
stroom-data/stroom-data-store-impl-fs/src/main/java/stroom/data/store/impl/fs/RASegmentInputStream.java