List<AnnotationExpr> annotations = visit(_n.getAnnotations(), _arg);
Type type_ = cloneNodes(_n.getType(), _arg);
List<VariableDeclarator> variables = visit(_n.getVariables(), _arg);
Comment comment = cloneNodes(_n.getComment(), _arg);
FieldDeclaration r = new FieldDeclaration(
_n.getBeginLine(), _n.getBeginColumn(), _n.getEndLine(), _n.getEndColumn(),
_n.getModifiers(), annotations, type_, variables
);
r.setComment(comment);
return r;
}