net10.0 
namespace Microsoft.CodeAnalysis.CSharp
{
    public abstract class CSharpSyntaxTree : SyntaxTree
    {
        protected override ParseOptions! OptionsCore { get; }
    }
}
.NET
8.09.010.0
Information specific to net10.0
Assembly

Microsoft.CodeAnalysis.CSharp , Version=5.0.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to Microsoft.CodeAnalysis.CSharp.

Package Microsoft.CodeAnalysis.CSharp (5.0.0) net9.0
Platform Restrictions

The property getter is supported on all platforms.

  • Built-in API
  • Package-provided API