{"ast_node_type":"other","tokens":[{"end":136,"kind":"keyword","start":0,"text":"AsyncIterator,"}]}
    AsyncIterator,           sym::async_iterator,      async_iterator_trait,       Target::Trait,          GenericRequirement::Exact(0);
    FutureOutput,            sym::future_output,       future_output,              Target::AssocTy,        GenericRequirement::Exact(0);