<PackageReference Include="System.Security.Permissions" Version="9.0.0-preview.7.24405.7" />

CodeAccessPermission

Defines the underlying structure of all code access permissions.
namespace System.Security { public abstract class CodeAccessPermission : IPermission, ISecurityEncodable, IStackWalk { public void Assert() { } public abstract IPermission Copy(); public void Demand() { } [System.Obsolete] public void Deny() { throw new PlatformNotSupportedException(System.SR.PlatformNotSupported_CAS); } public override bool Equals(object obj) { return base.Equals(obj); } public abstract void FromXml(SecurityElement elem); public override int GetHashCode() { return base.GetHashCode(); } public abstract IPermission Intersect(IPermission target); public abstract bool IsSubsetOf(IPermission target); public void PermitOnly() { throw new PlatformNotSupportedException(System.SR.PlatformNotSupported_CAS); } public static void RevertAll() { } public static void RevertAssert() { } [System.Obsolete] public static void RevertDeny() { } public static void RevertPermitOnly() { } public override string ToString() { return base.ToString(); } public abstract SecurityElement ToXml(); public virtual IPermission Union(IPermission other) { return null; } } }