     /// Queue providing serialization for state changing and other other thread sensitive things
     private let _internalQueue = DispatchQueue(label: "ProductionLineInternal", qos: .background)
     
-    /// The GCD queue on which tasks will perform their work
-    private let _workQueue: DispatchQueue
     
     
     
     // MARK: - Lifecycle
     
     public init(workQueue: DispatchQueue = DispatchQueue.global(qos: .background), maxConcurrentTasks: Int = 0) {
-        _workQueue = workQueue
+        self.workQueue = workQueue
         self.maxConcurrentTasks = maxConcurrentTasks
     }
     

        }
        
        // Kick it off
        task.start(using: _workQueue)
    }
}

    /// Whether or not the production line is running / will execute tasks upon adding (and when ready, depending on maxConcurrentTasks)
    public private(set) var isRunning = true
    
    /// The GCD queue on which tasks will perform their work
    public let workQueue: DispatchQueue
    
    
    
    // MARK: - Private variables
