syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"{"}]}
source_snippet:             {
context_before:                 if self_.hi < self.lo() || self.hi() < self_.lo && !sm.is_imported(within) =>
context_after:                 Some(Span::new(self_.lo, self_.hi, self_.ctxt, parent))