syntax_data: {"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) -> Result<(), PrintError> {
context_before:         args: &'tcx [GenericArg<'tcx>],
context_after:         let was_in_value = std::mem::replace(&mut self.in_value, true);