text: 'use strict';
  
  export default {
      UNKNOWN : 0,
      NOUN : 1,
      VERB : 2,
      ADJECTIVE : 3,
      ADVERB : 4,
      PRONOUN : 5,
      PREPOSITION : 6,
      CONJUNCTION : 7,
      INTERJECTION : 8,
      parseEn : function(sp){
          switch(sp.toLowerCase()){
              case 'noun':
                  return this.NOUN;
              case 'verb':
                  return this.VERB;
              case 'adjective':
                  return this.ADJECTIVE;
              case 'adverb':
                  return this.ADVERB;
              case 'pronoun':
                  return this.PRONOUN;
              case 'preposition':
                  return this.PREPOSITION;
              case 'conjunction':
                  return this.CONJUNCTION;
              case 'interjection':
                  return this.INTERJECTION;
              default:
                  return this.UNKNOWN; 
          }
      },
      toStringEn: function(sp){
          sp = +sp;
          switch(sp){
              case this.NOUN:
                  return 'noun';
              case this.VERB:
                  return 'verb';
              case this.ADJECTIVE:
                  return 'adjective';
              case this.ADVERB:
                  return 'adverb';
              default:
                  return 'unknown';
          }
      }
  }