<PackageReference Include="System.Security.Permissions" Version="10.0.0-preview.3.25171.5" />

ReflectionPermissionAttribute

Allows security actions for ReflectionPermission to be applied to code using declarative security.
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}")] [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = true, Inherited = false)] public sealed class ReflectionPermissionAttribute : CodeAccessSecurityAttribute { public ReflectionPermissionFlag Flags { get; set; } public bool MemberAccess { get; set; } [Obsolete("ReflectionPermissionAttribute.ReflectionEmit has been deprecated and is not supported.")] public bool ReflectionEmit { get; set; } public bool RestrictedMemberAccess { get; set; } [Obsolete("ReflectionPermissionAttribute.TypeInformation has been deprecated and is not supported.")] public bool TypeInformation { get; set; } public ReflectionPermissionAttribute(SecurityAction action) : base((SecurityAction)0) { } public override IPermission CreatePermission() { return null; } } }