syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"p.print_def_path(trait_ref.def_id,"}]}
source_snippet:     p.print_def_path(trait_ref.def_id, &[]).unwrap();
context_before:     };
context_after:     std::mem::take(&mut p.out)