diamond.json

{
  "version": 0,
  "costs": [
    {
      "description": "Memory"
    }
  ],
  "functions": [
    {
      "name": "a"
    },
    {
      "name": "b"
    },
    {
      "name": "c"
    },
    {
      "name": "d"
    }
  ],
  "events": [
    {
      "callchain": [ 3, 1, 0 ],
      "cost": [ 7 ]
    },
    {
      "callchain": [ 3, 2, 0 ],
      "cost": [ 1 ]
    }
  ]
}