Item

This method is called whenever the item is consumed from the queue.

This method is called whenever the item is successfully inserted in the queue.

This method is only called whenever using a Soft/Weak reference that was invalidated by the garbage collector. Whenever this method is called it is considered that the value is consumed.

This method should only be called from this class and it is guaranteed that the value is always defined before calling. Whenever this method is called it is considered that the value is consumed.