syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"tcx.async_fn_trait_kind_to_def_id(entry.kind).expect(\"expected"}]}
source_snippet:                 tcx.async_fn_trait_kind_to_def_id(entry.kind).expect("expected AsyncFn lang items")
context_before:             let trait_def_id = if is_async {
context_after:             } else {