net8.0 
namespace System.Management
{
    public class ManagementClass : ManagementObject
    {
        [EditorBrowsable(EditorBrowsableState.Never)]
        [Obsolete("This API supports obsolete formatter-based serialization. It should not be called or extended by application code.", DiagnosticId = "SYSLIB0051", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
        protected ManagementClass(SerializationInfo info, StreamingContext context);
    }
}
.NET
5.06.07.08.09.010.0
.NET Core
2.02.12.23.03.1
.NET Framework
2.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to net8.0
Assemblies

System.Management , Version=9.0.0.3, PublicKeyToken=b03f5f7f11d50a3a

System.Management , Version=10.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to System.Management.

Package System.Management (9.0.3) net8.0
Obsolete SYSLIB0051: This API supports obsolete formatter-based serialization. It should not be called or extended by application code.
Platform Restrictions

This API is only supported on the following platforms:

  • Windows
  • Built-in API
  • Package-provided API