anchor.diff:    }
   
     /**
  -  * @hint optional
  +  * @hint Optional
     */
     public any function state( required string state ) {
       setState( state );
  
positive.code:   }
  
    /**
    * @hint optional
    */
    public any function zip( required string zip ) {
      setZip( zip );
  
negative.code:     var value = method();
      return value;
    }
  }
  