// 3.1.x
{
  "sdk": {
    "version": "3.1.0",
    "rollForward": "latestFeature"
  }
}

// 6.0.x
{
  "sdk": {
    "version": "6.0.0",
    "rollForward": "latestFeature"
  }
}

// 7.0.x
{
  "sdk": {
    "version": "7.0.0",
    "rollForward": "latestFeature",
    "allowPrerelease": true
  }
}