<PackageReference Include="System.Security.AccessControl" Version="6.0.0-rc.2.21480.5" />

System.Security.AccessControl.AuthorizationRule

public abstract class AuthorizationRule
Determines access to securable objects. The derived classes AccessRule and AuditRule offer specializations for access and audit functionality.
namespace System.Security.AccessControl { public abstract class AuthorizationRule { public IdentityReference IdentityReference { get; } public InheritanceFlags InheritanceFlags { get; } public bool IsInherited { get; } public PropagationFlags PropagationFlags { get; } } }