{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//"}]}
    // is repurposed to store some placeholder `P` such that the weaker
    // Later, during the [`LeakCheck::propagate_scc_value`] function, this array
    // condition `S: P` must hold. (This is true if `S: S1` transitively and `S1