<PackageReference Include="System.Threading.AccessControl" Version="11.0.0-preview.3.26207.106" />

System.Threading.ThreadingAclExtensions

public static class ThreadingAclExtensions
Provides Windows-specific extension methods for managing the access control list (ACL) security descriptors for EventWaitHandle, Mutex, and Semaphore.
namespace System.Threading { public static class ThreadingAclExtensions { public static EventWaitHandleSecurity GetAccessControl(this EventWaitHandle handle); public static void SetAccessControl(this EventWaitHandle handle, EventWaitHandleSecurity eventSecurity); public static MutexSecurity GetAccessControl(this Mutex mutex); public static void SetAccessControl(this Mutex mutex, MutexSecurity mutexSecurity); public static SemaphoreSecurity GetAccessControl(this Semaphore semaphore); public static void SetAccessControl(this Semaphore semaphore, SemaphoreSecurity semaphoreSecurity); } }