@Override
        public void visit(MethodDeclaration method, Object arg) {

            KoanExecution koanExecution = (KoanExecution)arg;

            if(method.getName().equals(koanExecution.getMethod().getName())){
                List<Comment> comments = method.getAllContainedComments();
                for(Comment comment : comments){
                    if (comment.getContent().contains(START_MARKER)) {
                        koanExecution.setStartMarkerLine(comment.getBeginLine());
                     } else if (comment.getContent().contains(END_MARKER)) {
                        koanExecution.setEndMarkerLine(comment.getBeginLine());
                    }
                }
            }
        }