{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":".with_awaitable_block(Awaitable::No(\"non-async"}]}
                    .with_awaitable_block(Awaitable::No("non-async gen block"), |this| {
                Some(ast::BlockModifier::Gen(_)) => self
                        this.collect_block(e)