{
  "successful_allocations": 259,
  "rejected_full_pool_allocations": 15,
  "released_and_reused_slots": [
    0,
    31,
    255
  ],
  "active_counts": [
    256,
    256
  ],
  "scope": "C++ safety boundary. Unlike the original failed-allocation counter overflow, unsuccessful allocation leaves the pool count unchanged."
}