{
  "_comment": "Correctness counts are exact. Both arms are linear file-count gates. protocol implementer USES live on one shared node per (protocol, selector): N objc-protocol-candidate edges, not N². Measured after the shared-set hoist: spread 0.62→2.37 ms (linear_factor 0.956); protocol 0.69→2.14 ms (linear_factor 0.775) with candidate uses 40→160.",
  "spread": {
    "small": {
      "classes": 40,
      "calls": 119,
      "extends": 39,
      "implements": 0,
      "protocol_candidate_uses": 0,
      "ms_budget": 80
    },
    "large": {
      "classes": 160,
      "calls": 479,
      "extends": 159,
      "implements": 0,
      "protocol_candidate_uses": 0,
      "ms_budget": 320
    },
    "linear_scaling_slack": 1.375
  },
  "protocol": {
    "small": {
      "classes": 40,
      "calls": 40,
      "extends": 0,
      "implements": 40,
      "protocol_candidate_uses": 40,
      "ms_budget": 80
    },
    "large": {
      "classes": 160,
      "calls": 160,
      "extends": 0,
      "implements": 160,
      "protocol_candidate_uses": 160,
      "ms_budget": 80
    },
    "linear_scaling_slack": 1.375
  }
}