{
  "sdk": {
    "version": "7.0.100-preview.4.22252.9",
    "allowPrerelease": true,
    "rollForward": "latestPatch"
  },
  "tools": {
    "dotnet": "7.0.100-preview.4.22252.9",
    "vs": {
      "version": "17.0"
    },
    "xcopy-msbuild": "17.1.0"
  },
  "msbuild-sdks": {
    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.22327.2",
    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.22327.2"
  }
}

{
  "sdk": {
    "version": "7.0.100-preview.4.22252.9",
    "allowPrerelease": true,
    "rollForward": "latestPatch"
  },
  "tools": {
    "dotnet": "7.0.100-preview.4.22252.9",
    "runtimes": {
      "dotnet": [
       "3.1.0"
      ]
    },
    "vs": {
      "version": "17.0"
    },
    "xcopy-msbuild": "17.1.0"
  },
  "msbuild-sdks": {
    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.22327.2",
    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.22327.2"
  }
}

Install 3.1 runtime for SBOM tool
Install 3.1 runtime for SBOM tool