<PackageReference Include="System.Security.Permissions" Version="10.0.0-rc.2.25502.107" />

UIPermissionClipboard

public enum UIPermissionClipboard
Specifies the type of clipboard access that is allowed to the calling code.
namespace System.Security.Permissions { public enum UIPermissionClipboard { AllClipboard = 2, NoClipboard = 0, OwnClipboard = 1 } }