net9.0 
namespace System.CommandLine
{
    public class ValidationMessages
    {
        public static ValidationMessages Instance { get; }
    }
}
.NET
5.06.07.08.09.010.011.0
.NET Core
2.02.12.23.03.1
.NET Framework
4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to net9.0
Assembly

System.CommandLine , Version=0.3.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to System.CommandLine.Experimental.

Package System.CommandLine.Experimental (0.3.0-alpha.19577.1) netstandard2.0
Preview This API is contained in a prerelease package.
Platform Restrictions

The property getter is supported on all platforms.

  • Built-in API
  • Package-provided API