{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "iterations": {
      "type": "integer",
      "minimum": 0
    },
    "operation_mode": {
      "type": "string",
      "enum": [
        "sync",
        "async"
      ]
    }
  }
}