text: #ifndef LMERT_CONSTANTS_LMERT_HPP
  #define LMERT_CONSTANTS_LMERT_HPP
  
  #include <string>
  
  namespace HifstConstants {
  
  std::string const kLmertInitialParams="initial_params";
  std::string const kLmertWordRefs="word_refs";
  std::string const kLmertIntRefs="int_refs";
  std::string const kLmertMinGamma="min_gamma";
  std::string const kLmertMinBleuGain="min_bleu_gain";
  std::string const kLmertRandomSeed="random_seed";
  std::string const kLmertNumRandomDirections="num_random_directions";
  std::string const kLmertWriteParams="write_params";
  std::string const kLmertExternalTokenizer="external_tokenizer";
  std::string const kLmertWMap="word_map";
  std::string const kLmertBleuCacheSize="bleu_cache_size";
  }
  
  #endif
  