<PackageReference Include="System.Security.Permissions" Version="10.0.0-preview.2.25163.2" />

UIPermissionClipboard

public enum UIPermissionClipboard
Specifies the type of clipboard access that is allowed to the calling code.
namespace System.Security.Permissions { [Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")] public enum UIPermissionClipboard { AllClipboard = 2, NoClipboard = 0, OwnClipboard = 1 } }