@Override
  public ArrayList<ImmutableList<HStoreFile>> getStripes() {
    return this.state.stripeFiles;
  }
See {@link #addCompactionResults(Collection, Collection)} - updates the stripe list with new
candidate stripes/removes old stripes; produces new set of stripe end rows.
@param newStripes New stripes - files by end row.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.java