{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"crate::mir::CoroutineKind::Desugared("}]}
                crate::mir::CoroutineKind::Desugared(
            CoroutineKind::Desugared(CoroutineDesugaring::AsyncGen, source) => {
                    crate::mir::CoroutineDesugaring::AsyncGen,