syntax_data: {"ast_node_type":"function","tokens":[{"end":91,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn force_print_trimmed_def_path(&mut self, def_id: DefId) -> Result<bool, PrintError> {
context_before:     // caller use the `print_def_path` fallback.
context_after:         let key = self.tcx().def_key(def_id);