{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"to_string(ann,"}]}
    to_string(ann, |s| s.print_attribute_as_style(attr, ast::AttrStyle::Outer))
pub fn attribute_to_string(ann: &dyn PpAnn, attr: &hir::Attribute) -> String {
}