syntax_data: {"ast_node_type":"function","tokens":[{"end":68,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn should_print_region(&self, _region: ty::Region<'_>) -> bool {
context_before: impl<'tcx> PrettyPrinter<'tcx> for SymbolPrinter<'tcx> {
context_after:         false