https://learn.microsoft.com/en-us/dotnet/api/system.security.accesscontrol.commonacl?view=netframework-4.8.1&redirectedfrom=MSDN
CommonAcl Class (System.Security.AccessControl) | Microsoft Learn
Represents an access control list (ACL) and is the base class for the DiscretionaryAcl and SystemAcl classes.
class systemsecurityaccesscontrolmicrosoftlearn