mono.posix/global.json

{
  "sdk": {
    "version": "6.0.100",
    "allowPrerelease": true,
    "rollForward": "major"
  },
  "tools": {
    "dotnet": "6.0.100",
    "runtimes": {
      "dotnet": [
        "3.1.15"
      ]
    }
  },
  "msbuild-sdks": {
    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.22166.1"
  }
}