code: function comparatorStr(comparator) {
      if (comparator === Workflo.Comparator.ne) {
          return ' other than';
      }
      else if (comparator === Workflo.Comparator.gt) {
          return ' greater than';
      }
      else if (comparator === Workflo.Comparator.lt) {
          return ' less than';
      }
      else {
          return '';
      }
  }
docs: This function returns the textual representation of a compare method (===, !==, <, >).
  
  @param comparator defines a method to be used for comparisons (===, !==, <, >)
  @returns the textual representation of the passed comparison method