net9.0 
namespace Microsoft.EntityFrameworkCore.Metadata
{
    public class RuntimeModel : RuntimeAnnotatableBase, IAnnotatable, IReadOnlyAnnotatable, IModel, IRuntimeModel, IReadOnlyModel
    {
        [EntityFrameworkInternal]
        [Obsolete("This is set in the constructor now")]
        public virtual Guid ModelId { get; set; }
    }
}
.NET 8.09.010.0
Information specific to net9.0
Assembly

Microsoft.EntityFrameworkCore , Version=9.0.3.0, PublicKeyToken=adb9793829ddae60

Referencing

Your project needs a package reference to Microsoft.EntityFrameworkCore.

Package Microsoft.EntityFrameworkCore (9.0.3) net8.0
Obsolete This is set in the constructor now
Platform Restrictions

The property getter is supported on all platforms.

The property setter is supported on all platforms.

  • Built-in API
  • Package-provided API