{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"ty::BoundVariableKind::Region(ty::BoundRegionKind::ClosureEnv),"}]}
        ty::BoundVariableKind::Region(ty::BoundRegionKind::ClosureEnv),
        ty::BoundVariableKind::Region(ty::BoundRegionKind::Anon),
    ]);