{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"facts.subset_base.extend(constraints.outlives_constraints.outlives().iter().flat_map("}]}
    facts.subset_base.extend(constraints.outlives_constraints.outlives().iter().flat_map(
) {
        |constraint: &OutlivesConstraint<'_>| {