<PackageReference Include="System.Security.AccessControl" Version="6.0.0-preview.4.21253.7" />

System.Security.AccessControl.RawAcl

public sealed class RawAcl : GenericAcl
Represents an Access Control List (ACL).
namespace System.Security.AccessControl { public sealed class RawAcl : GenericAcl { public override GenericAce this[int index] { get; set; } public RawAcl(byte revision, int capacity); public RawAcl(byte[] binaryForm, int offset); public void InsertAce(int index, GenericAce ace); public void RemoveAce(int index); } }