syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"(self.0.fold_with(folder),"}]}
source_snippet:         (self.0.fold_with(folder), self.1.fold_with(folder))
context_before:     fn fold_with<F: TypeFolder<I>>(self, folder: &mut F) -> Self {
context_after:     }