syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
source_snippet: impl<'tcx> PrettyPrinter<'tcx> for SymbolPrinter<'tcx> {
context_after:     fn should_print_region(&self, _region: ty::Region<'_>) -> bool {