/// <summary>Adds an item to the end of the queue.</summary>
/// <param name="item">The item to add.</param>
public void Enqueue(T item)
{
_backing.Enqueue(item);
Interlocked.Increment(ref _count);
}
/// <summary>Add a single item.</summary>
/// <param name="item">Item to add.</param>
public void Add(T item)
{
_backing.Enqueue(item);
}