// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  //
  // Utilities for reading and writing textual strings representing states,
  // labels, and weights and files specifying label-label pairs and potentials
  // (state-weight pairs).
  
  #ifndef FST_SCRIPT_TEXT_IO_H__
  #define FST_SCRIPT_TEXT_IO_H__
  
  #include <string>
  #include <vector>
  
  #include <fst/script/weight-class.h>
  
  namespace fst {
  namespace script {
  
  bool ReadPotentials(const string &weight_type, const string &filename,
                      std::vector<WeightClass> *potentials);
  
  bool WritePotentials(const string &filename,
                       const std::vector<WeightClass> &potentials);
  
  }  // namespace script
  }  // namespace fst
  
  #endif  // FST_SCRIPT_TEXT_IO_H__