https://learn.microsoft.com/en-us/dotnet/api/system.collections.concurrent.concurrentqueue-1?view=netframework-4.8.1&viewFallbackFrom=net-10.0
ConcurrentQueueT Class (System.Collections.Concurrent) | Microsoft Learn
Represents a thread-safe first in-first out (FIFO) collection.
class systemcollectionsconcurrentmicrosoftlearn