{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"if"}]}
        if let ty::Alias(ty::Opaque, opaque) = *ty.kind()
        // try to find a path between that captured regions and our borrow region...
            && let hir::OpaqueTyOrigin::FnReturn { parent, in_trait_or_impl: None } =