syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"outer_source_info.span.with_lo(outer_source_info.span.hi()"}]}
source_snippet:             outer_source_info.span.with_lo(outer_source_info.span.hi() - BytePos::from_usize(1)),
context_before:         let end_brace = self.source_info(
context_after:         );