{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"///"}]}
    /// Should not be used for mutable memory.
    /// Reserves a new ID *if* this allocation has not been dedup-reserved before.
    fn reserve_and_set_dedup(self, alloc: GlobalAlloc<'tcx>, salt: usize) -> AllocId {