{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"(None,"}]}
            (None, None, None, Some(c)) => Some(FlowKind::Continue(c.lifetime())),
            (None, None, Some(b), None) => Some(FlowKind::Break(b.lifetime(), b.expr())),
            (None, None, None, None) => None,