syntax_data: {"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:         }
context_before:             Some(ty::Instance::new_raw(leaf_def.item.def_id, args))
context_after:         traits::ImplSource::Builtin(BuiltinImplSource::Object(_), _) => {