net9.0 
namespace System.Text
{
    public class UnicodeEncoding : Encoding
    {
        public override ReadOnlySpan<byte> Preamble { get; }
    }
}
.NET
5.06.07.08.09.0
.NET Core
3.03.1
Information specific to net9.0
Assembly

System.Text.Encoding.Extensions , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

The property getter is supported on all platforms.

  • Built-in API
  • Package-provided API