anchor.diff:  
   packageName returns [Identifier identifier]
       : LIDENTIFIER
  -      { $identifier = new Identifier($LIDENTIFIER); }
  +      { $identifier = new Identifier($LIDENTIFIER); 
  +        $LIDENTIFIER.setType(PIDENTIFIER);}
       ;
   
   typeName returns [Identifier identifier]
  
positive.code: 
  annotationName returns [Identifier identifier]
      : LIDENTIFIER
        { $identifier = new Identifier($LIDENTIFIER); }
      ;
  
  memberName returns [Identifier identifier]
  
negative.code:     ;
  
  fragment
  ASTRING_LITERAL:;
  
  fragment
  QuotedLiteralPart
      : ~('\'')*
      ;
  