<PackageReference Include="System.Security.Permissions" Version="10.0.4" />

System.Web.AspNetHostingPermission

Controls access permissions in ASP.NET hosted environments. This class cannot be inherited.
namespace System.Web { public sealed class AspNetHostingPermission : CodeAccessPermission, IUnrestrictedPermission { public AspNetHostingPermissionLevel Level { get; set; } public AspNetHostingPermission(PermissionState state); public AspNetHostingPermission(AspNetHostingPermissionLevel level); public bool IsUnrestricted(); } }