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

IsolatedStorageFilePermission

Specifies the allowed usage of a private virtual file system. This class cannot be inherited.
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 sealed class IsolatedStorageFilePermission : IsolatedStoragePermission { public IsolatedStorageFilePermission(PermissionState state) : base(state) { } public override IPermission Union(IPermission target) { return null; } public override bool IsSubsetOf(IPermission target) { return false; } public override IPermission Intersect(IPermission target) { return null; } public override IPermission Copy() { return null; } public override SecurityElement ToXml() { return null; } } }