{"ast_node_type":"function","tokens":[{"end":99,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn reserve_and_set_memory_dedup(self, mem: ConstAllocation<'tcx>, salt: usize) -> AllocId {
    /// allocated before, this will return the same `AllocId`.
        self.reserve_and_set_dedup(GlobalAlloc::Memory(mem), salt)