syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"CoroutineKind::Desugared(CoroutineDesugaring::Async"}]}
source_snippet:             CoroutineKind::Desugared(CoroutineDesugaring::Async | CoroutineDesugaring::AsyncGen, _)
context_before:             coroutine_kind,
context_after:         ) {