text: class GetSynonymsListsMixin(object):
      _prefixes = []
      _synonyms = []
      _substitutions = []
      _stop_words = []
      _number_words = []
  
      def get_prefixes(self):
          return self._prefixes
  
      def get_synonyms(self):
          return self._synonyms
  
      def get_substitutions(self):
          return self._substitutions
  
      def get_stop_words(self):
          return self._stop_words
  
      def get_number_words(self):
          return self._number_words
  