// 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<StdArcLookAheadFst> ArcLookAheadFst_StdArc_registerer;
  static FstRegisterer<MatcherFst<
      ConstFst<LogArc>, ArcLookAheadMatcher<SortedMatcher<ConstFst<LogArc>>>,
      arc_lookahead_fst_type>>
      ArcLookAheadFst_LogArc_registerer;
  static FstRegisterer<MatcherFst<
      ConstFst<Log64Arc>, ArcLookAheadMatcher<SortedMatcher<ConstFst<Log64Arc>>>,
      arc_lookahead_fst_type>>
      ArcLookAheadFst_Log64Arc_registerer;
  
  }  // namespace fst