Optionaloptions: SignalQueueOptionsReadonlybackSignal returning the element at the back of the queue
ReadonlybackSignal returning the current back element and whether it was just added
ReadonlyemptyA signal emitting true if there are no items in the queue
ReadonlyfrontSignal returning the element at the front of the queue
ReadonlyfrontSignal returning the current front element and whether it was just added
ReadonlyitemsA signal emitting the items of the queue
ReadonlylengthA signal emitting the number of items in the queue
The max size of the queue
A signal FIFO queue