xamarin-macios/.config/dotnet-tools.json

{
  "version": 1,
  "isRoot": true,
  "tools": {
    "dotnet-t4": {
      "version": "2.2.1",
      "commands": [
        "t4"
      ]
    },
    "dotnet-ilrepack": {
      "version": "1.0.0",
      "commands": [
        "ilrepack"
      ]
    }
  }
}