syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"tcx.coroutine_kind(def_id).unwrap(),"}]}
source_snippet:                             tcx.coroutine_kind(def_id).unwrap(),
context_before:                         Some(Box::new(CoroutineInfo::initial(
context_after:                             yield_ty,