code: function Tag() {
          Model.apply(this, arguments);
  
          /** @member {TagKind} */
          this.kind = TK_STRING;
  
          /** @member {*} */
          this.value = '';
  
          /** @member {Model} */
          this.reference = null;
  
          /** @member {boolean} */
          this.checked = false;
  
          /** @member {number} */
          this.number = 0;
  
      }
docs: Tag
  
  @constructor
  @extends Model