protected abstract void add(int base, AtomicIndexReader r) throws IOException;
  }
<<<<<<< HEAD

=======
  
>>>>>>> e4cc1d009c71cba7f94b4183599cb4579aec4cc8
  public static ReaderContext buildReaderContext(IndexReader reader) {
    return new ReaderContextBuilder(reader).build();
  }

    protected abstract void add(int base, AtomicIndexReader r) throws IOException;
  }
  
  public static ReaderContext buildReaderContext(IndexReader reader) {
    return new ReaderContextBuilder(reader).build();
  }