anchor.diff:      | V8_1
       | V9
       | V10
  +    | V11
  +    | V12
       member this.ShortString() =
           match this with
           | MonoAndroidVersion.V1    -> ""
  
positive.code:         | "9.0" -> Some MonoAndroidVersion.V9
          | "10"
          | "10.0" -> Some MonoAndroidVersion.V10
          | _ -> None
  
  [<RequireQualifiedAccess>]
  
negative.code:         | DotNet5Windows Net5WindowsVersion.V10_0_17763_0 -> [ DotNetFramework FrameworkVersion.V5; DotNet5Windows Net5WindowsVersion.V8_0 ]
          | DotNet5Windows Net5WindowsVersion.V10_0_18362_0 -> [ DotNetFramework FrameworkVersion.V5; DotNet5Windows Net5WindowsVersion.V10_0_17763_0 ]
          | DotNet5Windows Net5WindowsVersion.V10_0_19041_0 -> [ DotNetFramework FrameworkVersion.V5; DotNet5Windows Net5WindowsVersion.V10_0_18362_0 ]
          | DotNet6WithOs  Net6Os.Android -> [ DotNetFramework FrameworkVersion.V6; MonoAndroid MonoAndroidVersion.V12 ]
          | DotNet6WithOs  Net6Os.IOs     -> [ DotNetFramework FrameworkVersion.V6; XamariniOS ]
          | DotNet6WithOs  Net6Os.MacOs   -> [ DotNetFramework FrameworkVersion.V6; XamarinMac ]
          | DotNet6WithOs  Net6Os.TvOs    -> [ DotNetFramework FrameworkVersion.V6; XamarinTV ]
  