@Override
      public void run() throws IncorrectOperationException {
        PsiReferenceExpression newRef =
                (PsiReferenceExpression) myFactory.createExpressionFromText("a." + myReferencedName, null);
        newRef.getQualifierExpression().replace(myQualifiedThis);
        myRef.replace(newRef);
      }
@Override
      public void run()