// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  
  #include <fst/fst.h>
  #include <fst/matcher-fst.h>
  
  namespace fst {
  
  static FstRegisterer<StdILabelLookAheadFst>
      ILabelLookAheadFst_StdArc_registerer;
  static FstRegisterer<MatcherFst<
      ConstFst<LogArc>,
      LabelLookAheadMatcher<SortedMatcher<ConstFst<LogArc>>,
                            ilabel_lookahead_flags, FastLogAccumulator<LogArc>>,
      ilabel_lookahead_fst_type, LabelLookAheadRelabeler<LogArc>>>
      ILabelLookAheadFst_LogArc_registerer;
  static FstRegisterer<MatcherFst<
      ConstFst<Log64Arc>,
      LabelLookAheadMatcher<SortedMatcher<ConstFst<Log64Arc>>,
                            ilabel_lookahead_flags, FastLogAccumulator<Log64Arc>>,
      ilabel_lookahead_fst_type, LabelLookAheadRelabeler<Log64Arc>>>
      ILabelLookAheadFst_Log64Arc_registerer;
  
  }  // namespace fst